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Heat – week 3
How do hot air balloons rise up in the air?
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Hot air is _________________________ than cold air. (lighter / heavier)
Hot air takes up more _________________________ than cold air. (space / energy)
Hot air _________________________ .(falls / rises)
Draw labelled diagrams of an experiment you did to show that hot air takes up more space than
cold air.
Write all you can about how gliders Draw your own hot-air balloon.
use thermals to fly.
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