How Levers Help Us
Documentary
This instructional film shows the three parts of a lever and demonstrates how various levers help to move things more easily, or move them farther and faster.
PlayMore Like This
The Mystery of the Warrior Queens of Assyria
The Sun - Star of Stars
Kingdom of Saturn: Cassini's Epic Quest
Springtails: The hidden soldiers of Earth
The Sun: Inferno in the Sky
Le chagrin des animaux : mythe ou réalité ?
Popular Science L-7-4
Daughters of the Forest
Microcosmos
Popular Science J-0-1
Popular Science J-0-2
Popular Science J-0-3