What can be invisible, float in the air, be as hard as a rock, and fill an ocean? You're right! It's water. But do you know just how truly amazing water really is?

Part of a 24-book series that covers the four main branches of science—physical science, life science, earth and space science, and science and technology, and covers essential content standards. Students will build their scientific knowledge, increase their content vocabulary, and sharpen critical nonfiction comprehension skills. Books are 6 5/8" x 9 1/8"