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Everybody needs Clothing
A5704
- Discover that clothes are needed to retain body heat and to protect against the sun. Learn about the materials that make clothing, how cloth was made in the past with a spinning wheel and loom, and how it is made today in automated cloth mills. See how clothing has changed throughout the ages and how people wear different clothes as needed—bathing ... |
K-3 |
$29.95 |
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Simple and Compound Machines
S1803
- When "Hardware Hal" holds a "Simple and Compound Machines Sale" he demonstrates to his assistants the six simple machines: the lever, wedge, inclined plane, pulley, wheel & axle, and screw. Shows how these machines make work easier by changing force, direction, or distance. Machines in action and computer graphics illustrate the principles of work,... |
3-8 |
$39.95 |
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Simple Machines
S1404
- When a group of children attempt to move their play fort, they realize that six simple machines make the work much easier by changing either force or distance. They learn to identify real-world examples of simple machines including the lever, pulley, wedge, wheel and axle, inclined plane, and screw. |
K-3 |
$29.95 |
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Wheel Loaders, Vegetable Oil, Hand Tools, and Cotton Swabs / How It's Made, Series Three
RJ503
- Have you ever wondered how things are made? Find out how the everyday objects people use become the things they are. Watch as HOW IT'S MADE reveals the methods and materials of everyday items in a behind-the-scenes look at the manufacturing process. |
3-8 |
$59.95 |
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