Earth and Space     Materials from Earth

Teacher Demonstration Activity

Materials:

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

Method:

• 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.

Questions:

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?