PDF-Paper Helicopters Preparation CLASS LEVEL First sixth class OBJECTIVES Content Strand and Strand Unit Energy forces Forces Through investigation the child should be enabled to come to appreciate th
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celsa-spraggs
Published 2014-12-16 | 7114 Views
In this activity children e plore how some things fall and how varying the size of the rotor blades the shape of the rotor blades and the weight of a paper helicopter
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