Forces - Air, HelicoptersMonday, 29th September 2008
We found an ash tree with lots of seeds on it. Teacher found a sycamore tree with lots of helicopters on it. These seeds fly in the wind.
Teacher can use a balloon to make a helicopter fly. 
We made our own helicopters. They fly when we drop them. The smaller ones fly better than the big ones, and helicopters with paper clips fly the best.
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