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Earth and Space     Materials from Earth

Teacher Demonstration Activity

This experiment will show that there is oxygen in the air we breathe.


Shallow baking tins, Small candles, Identical large jam or pickle jars


  • Place a small amount of water in the bottom of each pan, enough to cover the bottom of each pan.

  • Light one of the candles and place it in the water on the bottom of one of the pans.

  • Cover the lit candle with the glass and observe what happens to the water.

  • Compare the results with the water level of the unlit candle.


What do you notice about the water levels in the two jars?

Why do you think this has happened?

Why did we set up an unlit candle?

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