What is a scientific theory? How is it different from a law or a principle? And what practical is it? Science students, especially those new to studying the sciences, ask these questions everyday about these essential parts of a science education. To supp
An alphabetically arranged handbook contains essays on two hundred key principles, from Kepler's laws of planetary motion and Mendel's laws of genetics, to lesser-known laws that explain everything from black holes to sunflower patterns.
Examines the laws of physics that govern the universe, covering such topics as planetary motion, Newton's three laws of motion, gravity, the behavior of gases, and quantum mechanics. Includes experiments and activities.