Ask an Expert
Ask Dr. Universe
Ask Dr. Universe a question you've always wondered about.
Ask Dr. Geologist
Do you have a question about earthquakes, volcanoes, mountains, lakes, or rivers? Try this expert for an answer.
Ask a Scientist
Do you have a question about science? E-mail your question to this California scientist.
Biography
4000 Women of Science
Includes biographies, photographs, and drawings of notable women scientists.
Biology
Welcome to the Microbe Zoo
Discover the many worlds of hidden microbes.
Earthquakes
Earthquake Intensity Scales
Explains how earthquakes are measured using the Mercalli and Richter scales.
Faultline: Seismic Science
Explores all facets of earthquakes with great photos, graphics, and activities.
Understanding Earthquakes
Includes information on how and where earthquakes occur, first person accounts of earthquakes, and links to other reputable earthquake sites.
USGS Earthquakes Hazard Program
Answers frequently asked questions about earthquakes .
What is an Earthquake?
Explore earthquakes through text, simulations, and photographs. See how buildings are affected by earthquakes.
Earth Science
Earth's Lithosphere
Explains the parts of the earth's lithosphere.
UCAR Digital Image Library
This is a Library of weather, climate, and Earth system imagery. This site includes photographs and illustrations of clouds, lightning, tornadoes, floods, storms, air pollution, and more which can be used free of charge by students. Every photo is clearly labeled and described.
The Virtual Cave
Explore differences between kinds of caves.
Educational Games
Mystery of the Poison Dart Frog
Discover the art and biology of the Costa Rican rainforest and "solve a mystery" with clues from ancient treasures.
Science Games and Trivia from MIT
Do you know who invented the dishwasher, or which came first—radar or sonar? Check out this site.
Who Wants to Win a Million Dollars
Test your knowledge of math and science as you work your way to the million dollar level!
Evolution
Prehistoric Man
Covers human's three million year journey from the treetops of Africa to civilization.
General
CalPhotos
This collection has a large amount of images of plants, animals, fossils, people, and landscapes.
Don't Buy It!
This PBS site is a media literacy Web site for young people that encourages users to think critically about media and become smart consumers.
Extreme Science
Check out the gallery of world records in science and meet some of the way cool scientists who are on the edge studying this stuff!
How Stuff Works
This award winning site explains how things work.
Make Science Toys
These toys are easy and inexpensive to make.
Ology
The American Museum has lots of information on a variety of science subjects. It includes games as well as great graphics and text.
A Science Odyssey
This website spotlights people and the discoveries they made. It also has some interesting activities that you can do ---about the brain, technology, earthquakes --- and illustrates how ideas have changed from 1900 until today.
Suzie’s World Science Fact Sheets
Are you interested in science or do you have a science question you need answered? This site just might be for you. It explains lots of things in our world.
Windows to the Universe
This is an outstanding site that has interactive programs on lots of science subjects. It's worth a look.
Inventions
Technology Games and Trivia from MIT
Do you know who invented the dishwasher, or which came first—radar or sonar? Check out this site.
Manufacturing
How Everyday Things Are Made
This introductory website shows how 40 different products are made and includes many video clips.
How Products Are Made
This site tells about the processes involved with the manufacture and assembly of simple to complex products.
Inspiring Gases
Here you can explore how gases are manufactured and used across a huge range of products in everyday life.
Science Magazines
The Why Files
A weekly magazine which spotlights news stories about science. It has an archive of all news stories.
Science of Sports
Sports Science
Explores the relationship of science to sport through interactive activities and an archive of answers to questions
Space
NASA For Students
This is the student gateway to all the resources of NASA.
Volcanoes
Cascades Volcano Observatory
This site gives understandable answers to questions about volcanoes
This Dynamic Earth
An online book which explains plate tectonics.
Eruptions of Hawaiian Volcanoes
This online book describes the background, eruption of, and present activity of Hawaiian Volcanoes.
Eruptions of Mount St. Helens
This online book describes the background, eruption of, and present activity of this volcano in Oregon.
Volcano World
Lots of information about volcanoes, including 'Ask-A-Volcanologist'.
What is a Volcano?
Explore earthquakes through text, simulations, and photographs. Experiment with how different kinds of volcanoes erupt.
Water
Water Science for Schools: a USGS site
This site has information on the many aspects of water, such as the properties of water, the earth's water cycle, etc. The site includes pictures, data, and maps.