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Activity 2 - Seeing how warm air rises, at home - Science

Wind is moving air:

  • Cut a spiral into a piece of paper. 
  • Attach a thread to 1 end. 
  • Hold it above a radiator, that is on, and watch what happens.
  • With an adult, you could hold it above a lamp, but watch out - it is HOT!

Why do you think that is happening?

Cutting out a spiral
Hold it over a radiator or hot lamp - take care!
Hot air balloons rise when the air is heated.
Cold air sinks, taking the place of the warm air.
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