Wednesday, 16 August 2017

Hypothesis

Hypothesis: We think the rocket will fly higher with the bottle filled half way with water because the more water that is  in the rocket the more pressure is on the air inside. We don’t want to fill it right up with water because water is denser than air, making it heavier. The more pressure  on the air, the more it floods out of the bottle, the higher it will go.

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