Describes experiments that can be performed in order to learn about ecosystems such as how temperature affects where living things grow, whether grass can reduce erosion, and the ways pollution hurts
Describes experiments that can be performed in order to learn about Earth, such as how it is measured, the role of water in keeping temperatures steady, and atmospheric pressure.
A True Book-Physical Science Whether you're an aspiring inventor or an everyday science buff, you've probably created your own experiments to uncover the truth about the forces of physical science. No
True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index.
