Long, long ago

Fossils
Prehistoric Life
Dinosaur Matching Game
Dinosaurs
The Cambrian Period
Dig up a Dinosaur (interactive)

NASA Kids' Links
StarChild
Virtual Journey into the Universe

Volcanoes and earthquakes, oh my!

Restless Planet
live camera: Mt. St. Helens
VolcanoWorld
San Andreas Fault
Tectonic Plates (Geography4Kids)
Volcanoes OnLine
Volcano WebCams

Introduction to Biomes Student modules
Biomes Berkley
Biomes Wheeling Jesuit
Biomes Mo Botanical Gardens

Virtual Caves
Big Bend National Park virtual fieldtrip
webcams in the Great Lakes Area
Glacier National Park webcams
Webcam on Old Faithful in Yellowstone National Park
Keep an eye on the Grand Canyon
Ice shelf collapsing in Antarctica

The Mineral Gallery
Rock Hounds
Rocks and Soil
Three types of Rocks
Geoman: Three types of rocks
Jackie Miers' Rock sites
Types of Rocks
Rock Slideshow
Brainpop Rocks
Yahooligans Rocks Movie

Weather

Extreme Weather
Web Weather for Kids
WebQuest: Wild Weather Project
Weather.com
 

US Environmental Protection Agency for kids
What you can do to conserve water
Monterey Bay Aquarium
Ocean Life for Kids