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The Way Things Work

Inclined Planes

(DVD - 2003)
The Way Things Work
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Dropping boulders off a tower makes gravel for the Mammoth Island roads, but lifting the boulders up to the top of the tower is difficult and dangerous. A young Mammoth Islander suggests that rolling boulders up a ramp would be easier than hauling them up a tower.
Publisher: Wynnewood, PA : Schlessinger Media, [2003], c2002
ISBN: 9781417100613
1417100613
Branch Call Number: DVD j 621.811 WAY
Characteristics: 1 videodisc (13 min.) :,sd., col. ;,4 3/4 in. +,1 teacher's guide
Alternate Title: Inclined planes

Opinion

From Library Staff

Another simple machine, inclined planes can be used to make work easier. Find out more.


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app09 Version eventuell-fix Last updated 2014/11/25 13:07