First Step Nonfiction — What Earth is Made Of — eBook Set
From the Series First Step Nonfiction — What Earth is Made Of
Students take a close look at four basic elements of our planet—gases, rocks, soil, and water—in this easy science series. The detailed photos provide opportunities to see, for example, several forms of water in nature or the parts of soil. Amazing trivia, such as the fact that is takes hundreds of years to make one inch of soil, will capture kids’ interest.