On May 20, 12:33 pm, jdawe <mrjd...@gmail.com> wrote: > On May 20, 12:30 pm, Sam Wormley <sworml...@gmail.com> 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?