Explore the Earth
Use this page to find the topics you want to know more about. Click the link on the left that reflects the area you want to study first. Each page provides you with several types of information:
For quick facts, check out the Did You Know? section
Look at the Earth's Life Cycle area to see how the element is part of the ecosystem
Get definitions related to that element in Words to Know
Air
Learn the importance of clean air for all living organisms on our planet.
Forests
Find out how forests all over the world provide oxygen, sustenance, shelter, and nutrients for the earth.
Lakes
Discover how freshwater lakes play an important role in preserving ground water.
Meadows
How do wildflowers, grasses, and native plants play an important part in the cycle of life? Find out on this page.
Mountains
Find out how mountains affect wind, water, and plant and tree growth on the surrounding countryside.
Stars
Are star living things? Discover the life cycle of a star and the way they impact the galaxy on this page.
Oceans
Learn about the way in which the ocean supports life on the entire planet.
Streams
Explore streams and learn about the ways in which they keep forests and meadows healthy.
Trees
Learn about trees from the inside-out and discover the role they play in the earth's life cycle.