| Item #: | S1803 |
| Grades: | 3-8 |
| Copyright: | 1998 |
| Runtime: | 20 min. |
| Price: | $39.95
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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, effort, force, distance, power, friction, and much more.
Also available on VHS.
DVD Features: (01) Introduction (99) End (10) Compound machines (11) Credits
Reviews: "… a humorous lesson on simple and compound machines using live-action and animation… young adult characters and the mixture of animation and live-action will insure audience interest and participation for the targeted age groups…. The teaching objectives are well met…. An excellent purchase for elementary and middle school science curriculums."—Kathy Dummer, Newcastle Middle School, WY | School Library Journal 08/99
Awards: Aegis award Finalist — 06/99 • Desirable rating — California Instructional Technology Clearinghouse • Approved CLRN
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