|When you get to the site, read the introduction as it contains good info on where to start and how to navigate for best use. To get started scroll half way down the home page and click on "Next Stop On Site Tour", or use the menu to explore:
When you are through exploring each section of the site, you can take interactive quizzes to test your knowledge. A bonus feature is that this site provides links to its "sister" sites for further study in the fields of astronomy, biology, chemistry, physics, and math.
- Earth Energy - Explore global Geometry, electromagnetic radiation, waves and particles, solar energy, atmospheric interaction, and temperature including Fahrenheit, Celsius, and Kelvin scales.
- Earth Structure - Learn what the Earth is made of including the plates, mantles, the liquid inner core, the magnetic fields, rocks and minerals, and discover what tectonics has to do with earthquakes and volcanoes.
- Biosphere - Learn about our living world including ecology, ecosystems, food chains, soil, water, climates, energy, erosion, oxidation, and how it all interacts to support life.
- Atmosphere - Find out what composes the atmosphere, thermosphere, stratosphere, and troposphere. Learn about temperature and air pressure, altitude, the Coriolis Force, and the Greenhouse Effect.
- Hydrosphere - Discover how all kinds of water moves through the world including freshwater, seawater, and groundwater. Learn about wetlands and aquatic biomes. Learn how to identify cloud types.
- Climate - Explore weather, climates (polar, subtropical, tropical), seasons, clouds, hurricanes and monsoons, and check out the instruments used to measure the force and effect of it all.
- Cycles - Learn about the interactive cycles of our ecosystem that include carbon, water, oxygen, nitrogen, iron, phosphorus, and rocks.
This is a terrific resource. We recommend you bookmark it to return often.