Photographs and text introduce scientific concepts related to gravity, explaining what gravity is and what it affects, describing human understanding of gravity throughout history, and providing additional facts, statistics, and a time line.
Explores gravity, defining what it is, describing how it is measured, and providing information about scientist who made discoveries about the force. Includes related experiments.
Simple text and full color photographs introduce beginning readers in kindergarten through third grade to the concept of gravity, explaining what it is and how it impacts the world around them.
Explains concepts such as acceleration, force, friction, and gravity by using them in simple experiments, in such real-life settings as the bowling alley and supermarket.
