gravitation

Presents an introduction to gravity, explaining what it is, and showing how the forces and properties of gravity affect everyday life.

Explains the force of gravity including what it is, why it is important, and how it affects people.

Presents an introduction to gravity, in simple text with illustrations, providing an explanation of how it works as Zac takes a trip on a space shuttle.

Discusses early theories on gravity, principles of how gravity works, and possible effects of gravity with regards to such phenomena as white dwarfs and black holes.

Life of British scientist Isaac Newton, discussing his discoveries and the era in which he lived.

Presents experiments to demonstrate inertia--the tendency of a moving thing to keep moving and of a thing standing still to stay still.

Experiments introduce and explain the concept of gravity.

Explains in simple text and illustrations what is known about the force of gravity.

Discusses what gravity is, what it does, and how it affects people.

Discusses the concept of force and how the earth's gravity determines an object's weight. Introduces devices used to measure weight.