Science
- 441
- Wikipedia: Ozone Depletion
- Looks at the ozone cycle, causes of ozone depletion, and a history of research about the ozone hole.
- 442
- Environmental Education Foundation
- An education resource teaching awareness and conservation to children, teachers, and parents.
- 443
- Warning! Water Pollution!
- Four Hong Kong kids in a school called HKIS tell about the problem of water pollution in Hong Kong and worldwide. Includes photos.
- 444
- Hormones: Here's the Beef
- A Science News Online article. Runoff of the hormones excreted by steroid-treated livestock could subtly harm aquatic life. (January 05, 2002)
- 445
- Napcor's Kids Corner
- Learn about recycling PET plastic containers. Also has a word search and quick facts about PET plastic.
- 447
- EIA Kids Page - Energy From The Ocean
- Describes tidal, wave, ocean, solar and wind energy. Contains facts, fun and games, brief biographies of energy people, timelines and classroom activities.
- 448
- Energy Resources: Hydro-electric
- Explains how water can be used to generate electricity. Includes diagrams, summary, and a quiz.
- 449
- Energy Resources: Wave Power
- Offers an introduction, information about how it works, advantages, and disadvantages.
- 450
- Renewable Energy
- Learn about alternative sources of energy like solar, wind, geothermal, and biomass, and find out how they are used in India. Includes a glossary, video clips, and a quiz.
- 451
- Renewable Energy
- Illustrated explanations of the five renewable sources used most often: hydropower (water), solar, wind, geothermal, and biomass.
- 452
- Bottled Water: Pure Drink or Pure Hype?
- Contains a detailed analysis of the properties of the two different kinds of water.
- 453
- Magnificant Mulu
- Find out more about the mysteries of the Mulu cave system in Malaysia. Discover how many animal and plant species rely on these caves and view some pictures of limestone formations.
- 454
- Life Along the Faultline
- Investigates life and science along California's fault lines. The site includes exclusive video from the 1989 Loma Prieta earthquake.
- 455
- Savage Earth: Restless Planet
- Sections on learning from earthquakes, predicting quakes, and engineering quake-resistant buildings. Uses Flash animation and Quicktime video.
- 456
- Seismic Waves
- Basic introduction to seismic waves and how we use them to understand more about the inside of the earth.
- 457
- USGS: Earthquakes for Kids
- Site features puzzles, games, science fair ideas, the online activity links, and virtual earthquake fly-bys.
- 458
- Comprehending Geological Time
- An interactive tool to calculate time periods and human history in terms of different measurement scales such as a meter, a day or a million years.