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Science

Megasites

Internet History of Science Sourcebook
http://www.fordham.edu/halsall/science/sciencesbook.html
This website explores the history of science throughout time and around the world, including Egypt, Scientific Revolution, the Industrial Revolution, Darwin, and more.

Environmental science

Environmental science megasites

Environmental History Timeline
http://www.radford.edu/~wkovarik/envhist/
Environmental problems and conflicts throughout history presented in an easy to read timeline format.
EPA Explorer's Club
http://www.epa.gov/kids/
This government website for youth explains how our environment effects plants and animals, the air and water and what we can do about it: garbage and recycling.
Global Environmental Outlook 3
http://www.unep.org/geo/geo3/
The United Nations Global State of the Environment. Check the "Underlying Causes" section for in-depth information about the social & economic reasons for environmental problems.
EarthTrends: The Environmental Information Portal
http://earthtrends.wri.org/
Graphs and maps illustrate some of the major conditions and trends in population, agriculture, biodiversity, forests, water resources, energy, climate, and social and economic development that determine the state of the world's environment. These data give a broad picture of trends over 20 years.
Save Our Earth and Make a Difference
http://library.thinkquest.org/11353/indexnorm.htm
Why should we be eco-conscious? How can you help the environment?
What Is the Natural Environment?
http://www.cotf.edu/ete/modules/msese/earthsysflr/natural.html
Discussion and activity about how environment affects life and what it entails.
World Timber Network
http://home.comcast.net/~leje//wtn.html
Links to information about the forest products industry worldwide.

Global warming

ARM Program's Education Center
http://education.arm.gov/
This website provides global warming facts for the beginner and expert. Read answers to a question of the week, or ask your own question at "Ask a Scientist." Also, discover what the Atmospheric Radiation Measurement (ARM) Program is doing to understand global climate change.
Climate Change
http://epa.gov/climatechange/index.html
The US Environmental protection Agency website provides current facts and details about climate change and how it impacts life on earth.

Biomes & ecosystems

Biomes & ecosystems megasites

Biomes
http://ths.sps.lane.edu/biomes/index1.html
Three ninth grade classes at Thurston High School in Springfield, Oregon, present animals, plants, climate and health issues in each biome.
EPA Student Center
http://www.epa.gov/students/
Explore ecosystems, pollution, conservation, recycling, waste management, water and more at this site.
Geo-Globe: Interactive Geography
http://library.thinkquest.org/10157/
Interactive quizzes about the ocean, the biomes, the earth's crust and its atmosphere and more! A great place to introduce basic to more in depth concepts of geography.
Habitats & Biomes
http://library.thinkquest.org/11922/habitats/habitats.htm
What are habitats and biomes? What percent of the world is made up of each biome? Find out the answers to these questions here. There is also more information about 10 of the biomes.
Introduction to Biomes
http://www.runet.edu/~swoodwar/CLASSES/GEOG235/biomes/intro.html
Maps that illustrate where in the world each biome exists complement easy-to-understand facts.
What's It Like Where You Live?
http://mbgnet.mobot.org/sets/index.htm
From the Missouri Botanical Gardens, this website provides information about all ecosystems and details within each ecosystem page. Desert example: desert animals and plants, the desert at night, causes of deserts, and types of deserts. Deciduous forest example: forest locations, types of trees, types of leaves, leaf identification guide, colors of specific leaves in the fall, forest animals and more. For more brief information about ecosystems, click on the "Just for Kids" link at the bottom of page!

Aquatic Biomes

Aquatic Biomes megasites

Great Lakes Information Network
http://www.great-lakes.net/
An ecosystem encompasses not only water, land, air and wildlife, it also includes the people who live there. Discover the importance of balance in an ecosystem as well as information about great lakes communities.
Marine Ecosystems
http://mbgnet.mobot.org/salt/index.htm
Discover temperate oceans and tropical oceans as well as shoreline life here.

Coral Reefs

About Coral Reefs
http://www.epa.gov/owow/oceans/coral/about.html
Learn more about coral reefs at this EPA site.
ReefNews
http://www.reefnews.com/
This website for students and teachers also has photos.

Freshwater

Freshwater Ecosystems
http://mbgnet.mobot.org/fresh/index.htm
Why are rivers, streams and wetlands so full of life? Find out here.
A Primer on Fresh Water
http://www.ec.gc.ca/water/en/info/pubs/primer/e_contnt.htm
This Canadian government website presents background information about water, where we find it, how we use it, share it and manage it.

Lakes

The Lakes of Canada
http://www.aquatic.uoguelph.ca/lakes/lakemap.htm
Explore this clickable map of Canada and learn basic facts about each of its lakes.

Rivers, tributaries, waterways

Rivers, tributaries, waterways megasites

American Rivers
http://www.amrivers.org/
Find out about the most endangered rivers for the year. Also includes campaign information about the Salmon River, dams, and links to river coalitions for each state.
Importance of Rivers
http://www.aquatic.uoguelph.ca/rivers/chintro.htm
Why are rivers important? Find out here.
International Rivers Network
http://www.irn.org/
An organization for the protection of rivers worldwide. The website includes information on rivers in peril.
Water Resources of Oregon
http://or.usgs.gov/
From the USGS site, check out the hydraulic data collection for specific Oregon current streamflow conditions. Links to Washington, Idado and Montana sites.
Water Resources of the United States
http://water.usgs.gov/
From the USGS site, find water data and more.

Columbia River

Lower Columbia River Estuary
http://www.lcrep.org/kids/index.htm
Explore river trivia, games and more.
Center for Columbia River History
http://www.ccrh.org/content.htm
Explore the Community Histories section to find out how the river has helped sustain people and communities. Read transcripts of oral histories involving the river, and discover the general history of it and what its uses have been over time.
Changing Columbia Basin
http://www.orst.edu/instruct/anth481/sal/crintro1.htm
Explore the history of the river basin in 1770, in the 1940s and now.
The Columbia River
http://www.bpa.gov/Power/pl/columbia/page4.htm
Introduction, geology, and photo gallery of the Columbia. Windows Media Player plugin required. (download link provided).
Dams: Envornmental Impacts
http://www.irn.org/basics/impacts.html
This website provides information about how large dams like the Bonneville Dam can be harmful.
The Historic Columbia River Gorge
http://www.cr.nps.gov/hps/hli/currents/columbia/index.htm
This website from the National Park Service provides a historic overview of the area, preservation activities, and more.

Willamette River

American Heritage Rivers: Willamette River
http://www.epa.gov/rivers/98rivers/willamette.html
This website has a fact sheet on the Willamette and rates the health of the seven different watersheds along the river.
Students for a Clean Willamette
http://www.ospirgstudents.org/orcampus.asp?id2=3753
OSPIRG's (Oregon Student Public Interest Research Group) plan to curb pollution in the Willamette contains statistics about the types of pollutants and their effects on humans and animals.
Restoring the Willamette River: A Citizens' Plan
http://www.coastrange.org/willamette_river.htm
The Coast Range Association provides ten suggestions for restoring the Willamette, including concrete examples.
River of Risk
http://www.oregonlive.com/special/river/
From The Oregonian newspaper, this website contains numerous articles that the paper has published about the health of the Willamette. Topics include fish, wildlife (such as the great blue heron), and sources of pollutants.
Willamette Riverkeeper
http://www.willamette-riverkeeper.org/
This organization was founded to protect and advocate for the Willamette Valley watershed. Learn more about the watershed, programs to protect it, and what you can do at this site. There is even a form where you can report pollution.

Streams

SStream Biology and Ecology
http://chamisa.freeshell.org/
What is a stream? Discover animals that live there, what the food supply is, its ecology and more.

Wetlands

The Everglades Ecosystem
http://www.nps.gov/ever/eco/index.htm
Learn about what the Everglades are, the habitats it houses, endangered species that live there, and more.
What Are Wetlands?
http://www.aquatic.uoguelph.ca/wetlands/chintro.htm
Discover the value of and threats upon wetlands at this Canadian government site.

Terrestrial Biomes

Terrestrial Biomes megasites

Biomes of the World
http://mbgnet.mobot.org/sets/index.htm
Discover land ecosystems at this site.
Ecological Regions of North America
http://www.cec.org/programs_projects/conserv_biodiv/priority_regions/index.cfm?varlan=english
For older students, this website has a clickable map leads you to information on each ecological region with photos, descriptions and case studies. Be sure to select and view other maps from the pull-down menu.
Ecosystems
http://library.thinkquest.org/11353/ecosystems.htm
What is a biome? What is an ecosystem? These and other questions answered at this site.
Tour of Biomes
http://www.cotf.edu/ete/modules/msese/earthsysflr/biomes.html
Tropical rain forest, Tropical Savannah, Mid-Latitude Deciduous forest, Desert, Subarctic Taiga and Polar Tundra.
The Wild Habitat
http://library.thinkquest.org/11234/
Animals of polar and mountainous regions, savanna and grasslands, tropical rainforests and woodland areas .
The World's Biomes
http://www.ucmp.berkeley.edu/glossary/gloss5/biome/
A great introduction to the world's major biomes.

Deserts

The Desert Environment
http://www.desertusa.com/desert.html
Find out what a desert is and then explore some specific deserts around the world.
Desert Explorer
http://library.thinkquest.org/28855/main.html
What is a desert? Where are deserts located? What kinds of plants and animals live in the desert? Find the answers to these questions and more at this site.
Desert Life
http://www.desertusa.com/life.html
Information about, and pictures of, the plants, animals, and people of America's deserts.

Forests

Explore the Fantastic Forest
http://magma.nationalgeographic.com/ngexplorer/0201/adventures/
This website from National Geographic explores the diversity of a forest, including information about plants, animals, and online activities.
Forest and Biodiversity Links
http://forests.org/links/
Forest conservation, rainforests, sustainable forestry, restoration ecology and more.
Shades of Green: Earth's Forests
http://library.thinkquest.org/17456/main1.html
Discover forest types and life, animals, why they are important and what threatens forests. This website also includes forests through time.

Prairies

Prairie Ecosystem
http://www.blackfootedferret.org/prairie.html
Information about how America's prairies were formed, the three main types of prairies, and the plants and animals that live there.
On the Prairie
http://www.bellmuseum.org/distancelearning/prairie/
Build a virtual prairie yourself, follow a field guide through a prairie, and more at this website from the University of Minnesota.
Prairie Ecosystem
http://www.mb.ec.gc.ca/nature/ecosystems/da00s01.en.html
Information about prairies from Environment Canada.

Rainforests

Amazon Interactive
http://www.eduweb.com/amazon.html
Find out more about the Amazon rainforest and the people and animals who live there.
Exploring the Environment: Temperate Rainforest
http://www.cotf.edu/ete/modules/temprain/trdiversity.html
From Wheeling Jesuit University, covers ecosystem diversity, flexibility, natural and human disturbance, logging, tree farming, precipitation and water supply, and also gives background about specific researchers who work on topics related to temperate rainforests.
Panama: Cascading Systems in the Tropical Rainforest
http://www.forester.net/ec_0001_panama.html
Article from Erosion Control magazine about the challenges of erosion control in tropical settings. Very technical article.
Rain Forest
http://www.nps.gov/olym/edurain.htm
From the National Park Service, this website explains features of the Olympic Rain Forest, including plants, animals, and interdependencies.
From Rainforest to Grassland: Plants and Their Communities Across Washington State
http://www.wsu.edu/~wsherb/edpages/raingrass/raingrass.html
Produced by staff from the Marion Owney Herbarium. Includes sections on coastal forest and temperate rainforest.
Rainforest Action Network: For Teachers and Students
http://www.ran.org/info_center/teacherstudent.html
Rainforest information, a quiz, demonstrations and more.
Rainforest Alliance: For Kids & Teachers
http://www.rainforest-alliance.org/programs/education/
Great information and resources to explain rainforests.
The Rain Forests of Home: Characteristics of the Coastal Temperate Rain Forest
http://www.ecotrust.org/publications/CTRF.HTML
An excerpt from a book published by Ecotrust about rain forests. Also includes links to maps of the original and current distribution of coastal temperate rain forests.
Rainforest Web
http://rainforestweb.org/
This website is a wide-ranging portal that leads to areas such as: Why are rainforests important? What's happening in rainforests? Why are rainforests being destroyed? How are rainforests protected? and How can I help? These categories lead to hundreds of relevant links. On the front page, there are highlights of recent rainforest victories, honored activists, news articles, and ways to contribute. From the Rainforest Action Network.
Zoom School: Rainforests
http://www.enchantedlearning.com/subjects/rainforest/
All about rainforests, from Enchanted Learning's Zoom School.

Ecology

Ecology megasites

Ecology Strikes Back
http://www.headbone.com/derby/eco/
This comic strip formatted website teaches about ecology and the environment. Due to heavy graphics, this website may load slowly.
Eddy the Eco-Dog
http://www.eddytheeco-dog.com/
For elementary and older youth, this site's mascot, Eddy, teaches about ecology through games, coloring, and educational information. May require plug-ins. Due to heavy graphics, this website may load slowly.
EPA Explorers Page
http://www.epa.gov/kids/
Shockwave required for graphic version. Text version available. Learn about air, water, plants and animals, garbage and recycling, and more about your environment. Go to the art room, the science room or the game room.
Garbage
http://www.learner.org/exhibits/garbage/intro.html
Learn about the different types of garbage we produce and how we can reduce it in our community.
Keep America Beautiful
http://www.kab.org
Check out the "Just for Kids" section to find out how you can help keep America clean.
The Lorax's Save the Trees Game
http://www.seussville.com/seussville/games/lorax/
Great for younger youth, this interactive game requires Shockwave plug-in.

Canals

Erie Canal
http://www.eriecanal.org/
Introduction and brief history with map. Includes a canal timeline.
History of the Erie Canal
http://www.history.rochester.edu/canal/
"The Erie Canal had an enormous impact on New York and America in the nineteenth century. University of Rochester students are writing the history of the Erie Canal and its successor, the New York State Barge Canal, to be placed on line here.
Panama Canal History Museum
http://www.pancanal.com/eng/history/
Stories photos and documents about the planning and building of the canal.
History of Canal
http://www.pancanal.com/eng/history/
Read about the history of the Panama Canal, the treaty, leaders and historical figures here.
How the Panama Canal Works
http://www.ared.com/kora/java/pcc/javaani.html
Animated image explains how the canal rises and lowers ships as it crosses Panama.

Dams

American Rivers: Dam Removal
http://www.americanrivers.org/site/PageServer?pagename=AMR_Dam_Removal
Dam facts, how they hurt the environment, glossary of terms, hydropower dams, and a look into the issue of dam removal.
Geoguide: Dams!
http://www.nationalgeographic.com/resources/ngo/education/geoguide/dams/
From the National Geographic online, this website explains why and how people build dams, as well as providing the good impacts of dams.
Large Dams in the Western United States
http://www2.kenyon.edu/projects/dams/
This website talks about what is good, bad and what's next when it comes to dams. Includes information on the Bonneville and Glen Canyon dams.
Reclamation's Dams
http://www.usbr.gov/dataweb/html/state_dams.html
A list of the states with reclamation dams from the Midwest to the West. Click on a state for a list of the dams in that state. Some dams have links to more detailed dam information.
Idaho Dams
http://www.usbr.gov/dataweb/html/iddams.html
A list of the dams in Idaho and includes links to some, providing general, hydraulic, and geologic information and dimensions and historical narration.
Montana Dams
http://www.usbr.gov/dataweb/html/mtdams.html
A list of the dams in Montana and includes links to some, providing general, hydraulic, and geologic information and dimensions and historical narration.
Oregon Dams
http://www.usbr.gov/dataweb/html/ordams.html
A list of the dams in Oregon and includes links to some, providing general, hydraulic, and geologic information and dimensions and historical narration.
Washington Dams
http://www.usbr.gov/dataweb/html/wadams.html
A list of the dams in Washington and includes links to some, providing general, hydraulic, and geologic information and dimensions and historical narration.
Wyoming Dams
http://www.usbr.gov/dataweb/html/wydams.html
A list of the dams in Wyoming and includes links to some, providing general, hydraulic, and geologic information and dimensions and historical narration.
United States Society on Dams
http://www.ussdams.org/
What is a dam? How does it work? Why are they important? This website also presents benefits of dams to society.
Bonneville Dam
https://www.nwp.usace.army.mil/op/b/home.asp
From the US Army Corps of Engineers site. Images of the dam, including a facility chart and image of the juvenile fish bypass system.
Grand Coulee Dam
http://users.owt.com/chubbard/gcdam/
History of the Columbia Basin Project, photo gallery, hydroelectric power generation, and more.
Hoover Dam
http://www.usbr.gov/lc/hooverdam/
Learn about the story of the Hoover Dam on the Colorado River, how it works, and visit the virtual visitor center. Includes a Hoover Dam Exhibit Gallery and Picture Gallery. Click on the Teacher/Student Learning Packet for some historical information and lesson plan ideas.

Pollution

EPA Student Center
http://www.epa.gov/students/
Explore ecosystems, pollution, conservation, recycling, waste management, water and more at this site.
Nonpoint Source Pollution: Information for Students/Educators
http://www.epa.gov/owow/nps/whatis.html
This website from the EPA explains pollution that occurs naturally from rain and snowmelt, what it means to the environment and what we can do about it.

Recycling

See also Composting

EPA Student Center
http://www.epa.gov/students/
Explore ecosystems, pollution, conservation, recycling, waste management, water and more at this site.
The Internet Consumer Recycling Guide
http://www.obviously.com/recycle/
"This recycling guide provides a starting point for consumers in the USA and Canada searching the net for recycling information. The information is for regular folks with regular household quantities of materials to recycle. The goal is to help make recycling so easy and automatic that it blends into the flow of everyday life."
Recycle City
http://www.epa.gov/recyclecity/
Where does all that garbage go? Find out here, and then discover how Dumptown turned their city around by recycling.

Sustainable development

EcoFuture
http://www.ecofuture.org/
This website is dedicated to sustainability and the ecological future of our planet.
Facing the Future: People and the Planet
http://www.facingthefuture.org/
A guide to population issues, impacts and solutions for young people. Follow the slideshow or choose a topic to explore further.
Green Map System
http://www.greenmap.com/
Learn how to create your own local community green map here.
Development Challenge
http://www.worldbank.org/challenge/
Discover some unexpected solutions to development challenges. Build a sustainable world and find out how it works. Communicate with students from around the world about cultures and lifestyles.
The Population Action International
http://www.populationaction.org/
Discover key demographics and trends, take a population quiz, and learn about why rapid population growth is cause for concern.
Human Dimensions of Global Environmental Change
http://sedac.ciesin.columbia.edu/tg/guide_main.jsp
Discover background materials on key global change issues such as agriculture, human health, land use, ozone depletion, and more.
Topics in Development
http://www.worldbank.org/html/extdr/thematic.htm
Find information about poverty, mining, economics, nutrition, health, social, rural and urban development, and water supply and sanitation.
YouThink!
http://youthink.worldbank.org/
Find information about countries, explore geographic social issues, get data online, and more.

Waste management

Waste management megasites

BioNet: Biological Waste management in Europe
http://www.bionet.net/index.php?id=42
"BioNet is the first information system which focuses on all aspects of biological waste management."
EPA Student Center
http://www.epa.gov/students/
Explore ecosystems, pollution, conservation, recycling, waste management, water and more at this site.

Composting

See also Recycling

Composting in Schools
http://compost.css.cornell.edu/schools.html
From Cornell University, this website covers FAQs, weird and unusual composting, compost quiz and more.
Master Composter
http://www.mastercomposter.com/
What is composting? What ingredients do you use? Many topics covered!

Fireworks

Kaboom!
http://www.pbs.org/wgbh/nova/kaboom/
NOVA Online explains how fireworks explode and how fireworks have different colors.

Geology & earth science

Geology & earth science megasites

Alive on Everest!
http://www.pbs.org/wgbh/nova/everest/
NOVA Online leads you on a climb and lets you explore with the crew. High graphics may lead to slow loading. Text version is available from the site.
Earth Systems
http://www.cotf.edu/ete/modules/msese/earthsys.html
Middle school earth science. This website explains plate tectonics, biomes, the earth's sphere, geologic time, rock and water cycles, as well as an earth puzzle!
Erosion
http://teacher.scholastic.com/dirtrep/erosion/invest.htm
Learn how erosion happens, then make your own observations of erosion in your neighborhood. You can even read reports from other kids.
Eye on the World: Violent Planet
http://web.beol.net/tabonga/violent.html
Links to earthquakes, fire, tsunamis, volcanoes, and more.
Frequently Asked Questions about Paleontology
http://www.ucmp.berkeley.edu/FAQ/faq.html
Did humans and dinosaurs live at the same time? Where do you look for fossils? Look here for answers to your questions.
Geo-Globe: Interactive Geography
http://library.thinkquest.org/10157/
Interactive quizzes about the ocean, the biomes, the earth's crust and its atmosphere and more! A great place to introduce basic to more in depth concepts of geography.
Geology Image Gallery
http://geology.about.com/library/bl/images/blimageindex.htm?once=true&
From About.com, this website has images of geologic processes and landforms, like alluvial fans, slumps, buttes, hoodoos, and geysers.
Grand Canyon Geology
http://www.edu-source.com/GCpages/CVOpage1.html
This website covers the geological layers of the Grand Canyon, how erosion works, and landforms of the Southwest.
Geomorphology from Space
http://geoinfo.amu.edu.pl/wpk/geos/GEO_HOME_PAGE.html
Learn about landforms such as alluvial fans, mountains, deltas, and moraines at this site. Lots of pictures are included.
PlanetDiary
http://www.phschool.com/science/planetdiary/
Where are current floods, volcanic eruptions, fires, and earthquakes? Find out here!
Savage Earth
http://www.pbs.org/wnet/savageearth/
From PBS Online, this website covers the Earth's crust, earthquakes, volcanoes and tsunamis. You can also send your questions to an expert.

Caves & Caverns

The Armchair Caver
http://web.ukonline.co.uk/arthur.vause/
Avoid the unpleasantness of actual caving with my armchair guides - clickable maps with photographs of the cave. Three caves are ready for you to explore.
Bridal Cave Kids Page
http://www.bridalcave.com/kidspage/
Follow a great detective story, explore the cave, learn how rocks form, and more.
The Carlsbad Caverns National Park
http://www.nps.gov/cave/caves.html
Learn more about this New Mexico cavern by reading about the wilderness, geology, and photos.
The Colossal Cave Mountain Park
http://www.colossalcave.com/welcome.html
Take a virtual tour of the cave or learn about the animals which surround it, and more.
Luray Caverns
http://www.luraycaverns.com
Explore the history and discovery of this North Carolina cavern.
Oregon Caves
http://www.nps.gov/orca/
Explore the history and discovery of the Oregon caves.
The Virtual Cave
http://www.goodearthgraphics.com/virtcave/
Learn about all the unique minerals found in caves. View photographs and explore.

The Earth's Crust

Earth's Sphere
http://www.cotf.edu/ete/modules/msese/earthsysflr/spheres.html
What makes up the layers of the earth?
Geo-Globe: Interactive Geography
http://library.thinkquest.org/10157/
Interactive quizzes about the ocean, the biomes, the earth's crust and its atmosphere and more! A great place to introduce basic to more in depth concepts of geography.
The Ground Beneath
http://library.thinkquest.org/27026/
Learn about the layers of the Earth, plate tectonics, folding, faulting and earthquakes at this website created by students.

Earthquakes

Dynamic Earth: The Story of Plate Tectonics
http://pubs.usgs.gov/publications/text/dynamic.html
Lots of great information and images to explain how plate tectonics works. Includes Pangaea.
Earthquake ABC
http://earthquake.usgs.gov/learning/kids/abc/
For younger youth, this website provides "a child's view of earthquake facts and feelings."
Earthquakes
http://pubs.usgs.gov/gip/earthq1/
From the USGS, this website explains earthquakes in history, how they occur and happen, how to measure earthquakes, predicting them and more.
Earthquakes
http://www.earthquakes.bgs.ac.uk/
All you want to know about earthquakes.
Elastic Rebound Animation
http://www.crustal.ucsb.edu/ics/understanding/elastic/rebound.html
Watch this earthquake using Java applet animation. Enable Java in your browser's preference menu.
National Earthquake Information Center
http://wwwneic.cr.usgs.gov/neis/eqlists/10maps.html
Current earthquakes, the largest earthquakes since 1900 and more all with colorful and clear maps.
Plate Tectonics
http://www.cotf.edu/ete/modules/msese/earthsysflr/plates1.html
What are the different types of faults? Where are they? Look here to find out!
Virtual Earthquake
http://vcourseware.sonoma.edu/eec/Earthquake/
Read the introduction and learn how to read a seismograph. Then choose a location and figure out where the epicenter is located. For older youth.
What is Richter Magnitude?
http://www.seismo.unr.edu/ftp/pub/louie/class/100/magnitude.html
This website clearly describes magnitudes and the earthquakes effects on the area hit at the top of the page and then goes into a more in-depth explanation lower on the page.
World Data Center A for Seismology
http://wwwneic.cr.usgs.gov/neis/bulletin/bulletin.html
Where are earthquakes happening around the world right now?

Floods/Tsunamis

Flood!
http://www.pbs.org/wgbh/nova/flood/
NOVA Online takes you through a flood cycle, how it occurs and the aftermath. High graphics may lead to slow loading. Text version is available from the site.
Floods and Flood Plains
http://water.usgs.gov/pubs/FS/OFR93-641/
This website from the USGS explains how floods happen and how to limit damage.
Tsunami
http://www.geophys.washington.edu/tsunami/intro.html
Everything you want to know about tsunamis.

Geologic Time

Geologic Ages of Earth's History
http://www.dinosauria.com/dml/history.htm
Looking for a simple chart that shows the eras, periods, sub-periods, epochs and ages of geologic time? Try this site.
Geologic Time
http://www.cotf.edu/ete/modules/msese/earthsysflr/geotime.html
A description and timeline of geologic time along with definitions of the different geologic eras.
Geologic Time: Online Edition
http://pubs.usgs.gov/gip/geotime/
This site, the electronic version of a pamphlet from the US Geological Survey, covers the different eras of geologic time, the fossils that lived in each era, and the process of radiometric dating.
Geologic Time Scale
http://www.zoomwhales.com/subjects/Geologictime.html
Learn about plants, animals, climate, and geology during geological eons, era, periods, and epochs. There's also an animation that shows how the continents have drifted over time.
Geological Time Machine
http://www.ucmp.berkeley.edu/help/timeform.html
Detailed information about geologic eras and periods. Find out about plant and animal life, important geological sites, landforms, and more.
History of the Earth
http://library.thinkquest.org/20886/
This site, created by students, highlights geology, plant life, and animal life for different geological periods and eras.
Paleomap Project
http://www.scotese.com/earth.htm
Click on "Earth History" to see a map of the continents during different geological periods. Click on "Climate History" to see how the climate changed over time.

Rocks & Minerals

Fossils, Rocks and Time
http://pubs.usgs.gov/gip/fossils/contents.html
This website explains rock layers and fossils according to age.
The Mineral Gallery
http://mineral.galleries.com/
Explore rocks and minerals by name, class or grouping or search the site.
The Rock Cycle
http://www.cotf.edu/ete/modules/msese/earthsysflr/rock.html
How do rocks form? Look here for a printable image and a description.
Smithsonian Gem & Mineral Collection
http://www.gimizu.de/sgmcol/
Pictures and descriptions of highlights of the collection.
What is a Mineral?
http://webmineral.com/Mineral_Definition.shtml
This page describes what makes up a mineral and also explains what makes up a rock.

Volcanoes

Build Volcano Models
http://volcano.und.nodak.edu/vwdocs/volc_models/models.html
Learn how to build your very own volcano.
Cascades Volcano Observatory Pictograms
http://vulcan.wr.usgs.gov/Photo/Pictograms/framework.html
Mostly pictures of Mount Saint Helens before, during and after her big eruption in 1980.
Global Volcanism Program
http://www.volcano.si.edu/gvp/
From the Smithsonian Institute, find out about the latest eruptions, visit specific volcanoes and more.
Idaho Volcanoes and Volcanic Areas
http://vulcan.wr.usgs.gov/Volcanoes/Idaho/framework.html
Volcanic history, hazards and seismicity of Idaho mountains.
Mount St. Helens
http://volcano.und.edu/vwdocs/msh/
Information about Mount St. Helens before and after the 1980 eruption.
Mount St. Helens, Washington
http://vulcan.wr.usgs.gov/Volcanoes/MSH/NatMonument/framework.html
View maps, and learn more about the volcano.
Oregon Volcanoes and Volcanic Areas
http://vulcan.wr.usgs.gov/Volcanoes/Oregon/framework.html
Volcanic history, hazards and seismicity of Oregon mountains.
Volcano World
http://volcano.und.nodak.edu/
Find details about volcanoes, their eruptions, and more.
Volcano World's Games & Fun
http://volcano.und.nodak.edu/vwdocs/kids/fun/fun.html
Most require Java. Simulate a lava flow, build your own volcano online, connect the dots and more.
Volcanoes
http://www.cotf.edu/ete/modules/msese/dinosaurflr/volcanoes.html
Volcanoes, their eruptions and why and how eruptions occur. Images and graphics complement the text.
Volcanoes: Can We Predict Volcanic Eruptions?
http://www.learner.org/exhibits/volcanoes/entry.html
Melting rocks, dynamic earth, forecasting eruptions and more.
Washington State Volcanoes and Volcanic Areas
http://vulcan.wr.usgs.gov/Volcanoes/Washington/framework.html
Volcanic history, hazards and seismicity of Washington mountains.

Water

The Hydrologic Cycle
http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/hyd/home.rxml
Learn about the circulation and conservation of earth's water at this website and how the earth's water is distributed among oceans, land and the atmosphere. Find out about evaporation, condensation, precipitation, ground water, transpiration, runoff, and more.
Properties of Water
http://www.ec.gc.ca/water/en/nature/prop/e%5Fprop.htm
Learn more about what makes up water, all the forms it takes, where to find it and why it is so diverse at this website by Environment Canada.
Surf Your Watershed
http://www.epa.gov/surf/
Discover where your closest watershed is by typing in your zip code or by searching an area of the US.
The Water Cycle
http://www.cotf.edu/ete/modules/msese/earthsysflr/water.html
How does the earth recycle water? Check here for a description and printable image.
Water Science for Schools
http://wwwga.usgs.gov/edu/
This website from the US Geological Survey presents information about the earth's water, water basics, waster use, water questions & answers, and a glossary of water terms.

Wildfires

Wildfires
http://www.smokeybear.com/wildfires.asp
Learn about the tools and people that fight wild fires.. The ecological benefits of fires are also covered.
FEMA: Wildfires
http://www.fema.gov/kids/wldfire.htm
"As the summer of 1997 came to a close and the fire season threatened to heat up, Steve Allison-Bunnell reported on new ways the U.S. Forest Service manages wildland fires." From the Discovery Channel.

How stuff works

How stuff works
http://www.howstuffworks.com/
"Come to learn about how things work in the world around you. Have you ever wondered how the engine in your car works, or what gears do, or what makes the inside of your refrigerator cold?"

Magazines

Nature
http://www.nature.com/nature/
This international weekly journal on science features news, advances in science and an online archive of past articles.
Popular Mechanics
http://popularmechanics.com/
A great source for science topics and technology news.
Science News Online
http://www.sciencenews.org/
This weekly online magazine has current scientific discoveries, stories and more. Search the archive holdings of issues from 1996 to the present.
Scientific American
http://www.sciam.com
Read articles, visit explorations and ask an expert online from Scientific American.
Sky & Telescope
http://skyandtelescope.com/
This astronomy magazine provides interesting articles an photographs of the latest discoveries and explorations into space.

Microscopes

Dennis Kunkel's Microscopy
http://www.denniskunkel.com/
The image gallery at this website has hundreds of images of animals and microorganisms viewed through a microscope. Check out the "Zoom In" section to magnify certain parts of insects. The "About Microscopy" section is a fairly technical explanation of how microscopes work.
Magnification Module
http://micro.magnet.fsu.edu/primer/virtual/magnifying/
Choose a sample (such as a compact disc, moon rock, or computer microprocessor) and see how it looks at magnifications of 25x, 50x, 100x, 200x, 500x, or 1000x.
Marly Cain's Microscopy for Kids
http://www.rmcain.com/mcama/adv/advidxkids.mv?
This website contains two microscope experiments for kids.
MicroScape
http://www.microscopy.com/MicroScape/MicroScape.html
Click on "Enter the MicroScape Virtual Laboratory" to look at microscope images from nature, around the house, or the world of science and technology. (Your computer will need the QuickTime plug-in.) Or click on "What is Microscopy?" to ask a microscopist a question.
Molecular Expressions: Image from the Microscope
http://micro.magnet.fsu.edu/
"...one of the Web's largest collections of color photographs taken through an optical microscope."
Monthly Microscopy Explorations
http://resolution.umn.edu/MMS/ProjectMicro/Explorations/Contents.html
Would you like to know what junk food, feathers, teeth and Christmas tree lights look like under the microscope? This is the website to check out!
Scanning Electron Microscope
http://www.mos.org/sln/sem/
How does a scanning electron microscope work? Find out by watching the movie or slide show at this site. There is also a gallery of images from the microscope."

Natural Resources and Energy

Energy megasites

Alternative Fuel Vehicles
http://www.energy.ca.gov/afvs/
What are alternative fuel vehicles? How does this effect our lives?
Comparisons of Various Energy Resources
http://www.nucleartourist.com/basics/why.htm
Learn the advantages and disadvantages to the use of coal, nuclear, hydroelectric, gas, oil, wind and solar energies.
Duracell: FAQ
http://www.duracell.com/ask_us/faq.asp
How does a battery work? What is the history of batteries? Check this website out to find these answers and more!
EIA's Kids Page
http://www.eia.doe.gov/kids/
What is energy? Where does it come from?
Kids Zone
http://energy.gov/engine/content.do?BT_CODE=KIDS
Energy basics, history, milestones, games and more.
Energy Information Administration
http://www.eia.doe.gov/
Energy statistics by energy type or an overview available. Annual statistics from 1949 to the present; monthly statistics for the last 2-3 years for all energy or by individual energy resource; also includes energy analysis and forecasting information.
Energy Information Administration
http://www.eia.doe.gov/
Federal website about energy resource, including gas, natural gas, coal, electricity and nuclear energy; environment, state data, prices, quick stats, and historical data.
Energy Quest
http://www.energyquest.ca.gov/
Energy education from the California Energy Commission.
Environmental Information at a Glance
http://www.eia.doe.gov/environment.html
Explore climate change information, emissions, transportation, legislation, and utility statistics.
Forcasting Information at a Glance
http://www.eia.doe.gov/oiaf/forecasting.html
Learn about the future of various energy resources at this site.
Renewable Fuels Information at a Glance
http://www.eia.doe.gov/fuelrenewable.html
This website presents statistical information about geothermal heat, wind, wood and solar energy and more.
Resources
http://www.usgs.gov/themes/resource.html
USGS information about minerals, energy, land, water, and biota.

Electricity

Electricity
http://library.thinkquest.org/2763/
Generate electricity, learn its history, miscellaneous facts, present-day and future use, and more.
Electricity at a Glance
http://www.eia.doe.gov/fuelelectric.html
This website provides state profiles and statistics.
How Electromagnets Work
http://www.howstuffworks.com/electromagnet.htm
Why are electromagnets important? How does it work?
Franklin's Kite
http://www.mos.org/sln/toe/kite.html
How did Franklin's kite attract lightning? Find out here.
Lightning
http://www.mos.org/sln/toe/lightning.html
This website clearly explains how lightning happens and has pictures.
Lightning: The Shocking Story
http://www.nationalgeographic.com/features/96/lightning/
National Geographic explores the science of lightning.
The Magic of Static Electricity
http://www.nationalgeographic.com/features/96/lightning/6a.html
National Geographic presents static electricity and lightning.
What is Static Electricity
http://www.sciencemadesimple.com/static.html
From Science Made Simple, this website explains how static works and used graphics to explain.

Fossil Fuels

Fossil Fuel megasites

Fossil Energy
http://www.fe.doe.gov/
USGS Department of Energy information on coal, oil and gas.
Fossil Fuels An Energy Education Site
http://www.fe.doe.gov/education/
"An introduction to the fuels we use most to power our economy and if we can develop the right technology, fuels that can power us into the future."

Coal

Coal Information at a Glance
http://www.eia.doe.gov/fuelcoal.html
This website includes coal production, production capacity, productivity, distribution, price, consumption, end-use, imports & exports, quality and reserves statistics.
Coal: Our Most Abundant Fuel
http://www.fossil.energy.gov/education/energylessons/coal/gen_coal.html
Discover the history of coal, mining and transportation information, and how coal is mined and how it forms.
Coal and Power
http://www.fe.doe.gov/programs/powersystems/
This website from the Department of Energy presents information about coal.

Oil & Petroluem

Oil and Natural Gas
http://www.fe.doe.gov/programs/oilgas/
This website from the Department of Energy presents research and development and regulations on oil and natural gas.
Oil Industry Profile: Nigeria
http://mbendi.co.za/indy/oilg/af/ng/p0005.htm
A very thorough overview of the oil industry in Nigeria. Find out which companies operate there, the history of the oil industry in Nigeria and much more.
Petroleum
http://www.eia.doe.gov/oil_gas/petroleum/pet_frame.html
The website from the Department of Energy presents crude oil, gas, and propane information and statistics.

Natural Gas

Natural Gas
http://www.eia.doe.gov/oil_gas/natural_gas/nat_frame.html
Learn about natural gas from the Department of Energy.
Natural Gas: Fueling the Blue Flame
http://www.fossil.energy.gov/education/energylessons/gas/
Learn how natural gas is produced and its history.

Fusion

FusEdWeb: Fusion Energy Educational Web Site
http://fusedweb.pppl.gov/
This website features seven ways to learn about fusion energy.
US Fusion Energy Sciences Program
http://wwwofe.er.doe.gov/
Fusion documents, education and more.

Nuclear Energy

International Nuclear Safety Center
http://www.insc.anl.gov/
From this page you can find out where around the world's nuclear plants are located and specific information on each reactor including initial start up costs, staffing, safety reports and more.
Nuclear Age Peace Foundation
http://www.wagingpeace.org/
"Founded in 1982, the Foundation performs research and analysis on critical issues of peace and global survival, and prepares and distributes educational materials by leading thinkers on these issues. The Foundation is a catalyst in initiating worldwide efforts to abolish nuclear weapons, to create an International Criminal Court, and to use science and technology for constructive purposes." Includes a Nuclear Age Chronology, information on the foundation's efforts to abolish nuclear weapons, an archives with many articles regarding nuclear war, weapons, and energy, and much more.
Nuclear and Uranium Information at a Glance
http://www.eia.doe.gov/fuelnuclear.html
This website provides information on nuclear reactors, uranium and other statistics.
Nuclear Energy Pros and Cons
http://www.gdrc.org/uem/nuclear.html
"The objective of this page is provide a dispassionate and non-aligned collection of information on nuclear energy. No judgments are passed, or opinions expressed. It is up to the user of this information to use it as necessary ..." Collection of links to a variety of sites dedicated to nuclear energy.
Todd's Atomic Homepage
http://www.nuc.berkeley.edu/neutronics/todd/frame/open.html
Learn about nuclear power energy as weapons and as natural energy.

Solar Energy

Dr. E's Energy Lab: Solar Energy
http://www.eere.energy.gov/kids/solar.html
Solar science projects and information on a solar energy home.
Solar Energy - Energy from the Sun
http://www.eia.doe.gov/kids/energyfacts/sources/renewable/solar.html
Solar energy information from the Energy Information Administration.

Wind Energy

From Windmills to Whirligigs
http://www.sci.mus.mn.us/sln/vollis/index/frontvollis.html
From the Science Museum of Minnesota, fun whirligigs that use wind.
National Wind Technology Center
http://www.nrel.gov/wind/
National Renewable Energy Laboratory's National Wind Technology Center provides information on wind technology.
Wind Power
http://www.crest.org/wind/
A slideshow explaining the history and theory behind wind power.

Magnets

See also Electricity for electronmagnetics.

Background Information for Magnets
http://www.sciencetech.technomuses.ca/english/schoolzone/Info_Magnets.cfm
Questions about magnetism answered. Great drawings and short explanations make this website easy to use and to learn about magnets.
Just What is Magnetism?
http://home.interserv.com/~skyblade/wim.htm
Find out the answer to this question at this site. Includes drawings to help explain how magnets work.
How an Electromagnet Works
http://www.howstuffworks.com/electromagnet.htm
Read a basic explanation about how it works then try an experiment or two listed on the site.
Magnetism
http://www.school-for-champions.com/science/magnetism.htm
This website provides images and text to explain how magnetism works.

Robots

Amazing Robot Museum - Robots in Entertainment
http://www.the-robotman.com/rm_fs.html
This website shows famous robots that appeared in movies and on television from the 1920s to the 1990s.
Get a Grip on Robotics
http://www.thetech.org/exhibits_events/online/robots/teaser/
Shake the robot's hand to enter this site. What is a robot? What are the five main parts of a robot? This is where you can find out.
MIT Artificial Intelligence Laboratory
http://www.ai.mit.edu/projects/mobile-robots/robots.html
Would you like to see the kinds of robots that scientists and their students are creating? Check out this website from the Massachusetts Institute of Technology and meet the robots Yuppy, Wheelesley, and Pebbles.

"Why" facts

How Things Fly
http://www.aero.hq.nasa.gov/edu/
Answers to how things fly as well as experiments to test these theories.
How Things Work
http://howthingswork.virginia.edu/
Ask a question or search the archives for answers to How Things Work!
The Science of Ballooning
http://www.pbs.org/wgbh/nova/balloon/science/
NOVA online adventure takes you through the history and science of ballooning.
Science Whatzit
http://www.omsi.edu/explore/whatzit/
How does a hologram work? Why do we yawn? Check this website for these and other inquisitive science questions answered by OMSI.
Scientific American
http://www.sciam.com/
Online articles and interviews from Scientific American magazine.
The Skinny On...
http://www.discovery.com/area/skinnyon/skinnyon.html
Many mysteries of things and everyday life explained by science.
The Why Files
http://whyfiles.org/
Search the National Science Foundation's Why Files and read recent science news.