We made some paper helicopters for our topic. We had a go at dropping them from the art room to see them fly. We changed different things on the helicopters to see what would make them land faster or slower.
Instead of using 1 paper clip, we tried using none, 2 and 3. We put blu-tack on the rotors and we also folded both rotors the same way.
We found that the helicopter with both rotors folded the same way landed first. We decided that this was because when they are both folded the same way, the helicopter does not spin.
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