Science
- 481
- VolcanoWorld
- Includes stories about volcanoes by children's author Jane Kurtz, school project ideas, legends, virtual field trips, and games.
- 482
- Aquifer Basics
- Offers a brief definition of an aquifer along with pictures and information on various aquifer types, including sandstone and volcanic aquifer rocks.
- 483
- Edwards Aquifer
- Provides information on one of the world's most well-known aquifers. Features graphs and charts, images, essays, and pictures that describe how the aquifer formed.
- 484
- Enchanted Learning: Tides
- Brief description and illustrations about what causes the tide to rise and fall.
- 485
- Moon Tides
- Explains with graphs and pictures how the moon affects oceans. Includes the differences between lunar, spring, neap, high, and low tides.
- 488
- Frontline: Nuclear Reaction
- Articles on several subjects such as why the French like nuclear power, and what happened at Chernobyl.
- 489
- How Atom Smashers Work
- Shows specific information about the devices used to break apart something as miniscule as an atom.
- 490
- How Atomic Clocks Work
- Explains the principles behind the atomic clocks, the most accurate timekeepers in the world.
- 491
- World's Largest Particle Accelerator - CERN
- Features an aerial view and a slide show of the facilities, an interactive tour of the accelerators, and the scientists and their ideas.
- 492
- How Capacitors Work
- Information about this component which plays a crucial role in electronics as it stores electrons for when they're needed most, dumping a huge charge instead of a steady flow.
- 493
- How Electricity Works
- Features detailed information on the subject such as basic concepts, units, circuits, generators, and uses.
- 494
- How Electromagnets Work
- Information about what makes this key part of motors, tape decks, VCRs and other devices.
- 495
- How Metal Detectors Work
- Explains their uses and the electromagnetic properties that allow these units pinpoint and identify their target.
- 496
- Science Snacks About Electricity
- A set of very simple experiments, each one with details on materials, assembly, how to do ,and explanation of the key principles featured by Exploratorium.