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Topic: Action-Reaction: Answering Questions, Solving Problems.
Replies: 16   Last Post: May 19, 2013 10:44 PM

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Posts: 318
Registered: 11/8/09
Re: Action-Reaction: Answering Questions, Solving Problems.
Posted: May 19, 2013 10:35 PM
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On May 20, 12:33 pm, jdawe <> wrote:
> On May 20, 12:30 pm, Sam Wormley <> wrote:

> > On 5/19/13 9:19 PM, jdawe wrote:
> > > See if you can measure the Earths rotation without linear grounding.
> >    Fifth graders can sight a prominent star with two sticks and time
> >    the 360° rotation of the earth on the following night.

> They must stick those sticks in the ground. Alternatively they must
> hold those sticks while standing vertically on the Earth.

Can those grade 5 students uses those sticks to time the rotation of
the earth from an airplane?

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