gravity

Introduces Neptune, the farthest planet from the Sun, describing its orbit, rings, moons, and the gases that make up its surface.

Introduces Saturn, describing its physical features, rings, and moons.

Introduces young readers to the basics of gravity, covering early observations, controversies, Einstein's revelation, the Big Bang, and more.

Simple experiments demonstrate the laws of gravity.

Contents include : atmosphere, bubbles, compass, electricity, evaporation, friction, frostbite, gravity, lightbulbs, lodestones, Isaac Newton, Pythagoras, rainbows, roller-coasters, smoke signals, snowflakes, sundials, water pressure, etc.

An introduction to gravity, explaining what it is and how it works on Earth and in outer space. Includes an activity, fun facts, and a glossary.

Defines gravity, one of the four forces that control the universe and the most mysterious, and discusses Newton's theory about the force of gravity which still didn't explain how gravity works at a distance. Einstein understood that gravity and acceleration are interchangeable and thus devised his theory of general relativity which explains how gravity works. Includes chapter notes and an index.

With the help of an adventurous scientist and his fun-loving dog, kids learn about the mysterious force of gravity.

An introduction to gravity that defines what it is, discusses the study of it, describes what the effects of more or less gravity on Earth would be, and includes a related activity.