The way Things Work. Pulleys
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"Teacher's guides included and available online"--Container.
Special features: discussion questions and activities.
The inhabitants of Mammoth Island are trying to find the best method to lift their mammoths when a young Islander uses a simple machine called a pulley to get the job done. A pulley is a wheel that carries a rope, chain or cable on its rim and can be used alone or with other pulleys to lift heavy loads.
DVD, all regions.
Contents: Way things work.
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LANGUAGE OPTIONS
Closed captioned.
PUBLISHED
Wynnewood, PA : Schlessinger Media, [2003], c2002.
Year Published: 2002
Description: 1 videodisc (13 min.) : sd., col. ; 4 3/4 in. + 1 teacher's guide.
Language: English
Format: DVD
ISBN/STANDARD NUMBER
1417100680
9781417100682
ADDITIONAL CREDITS
Macaulay, David.
Millimages S.A.
Schlessinger Media.
Pearson Broadband.
SUBJECTS
Pulleys.
Simple machines.
Power transmission.
Physics.
Video recordings for the hearing impaired.