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( ) Put the candleholder on the dish.
( ) Look at the water in the jar.
( ) Fill the dish half full of water.
( ) Let the candle burn for two or three minutes.
( ) Put the candle in the candleholder.
( ) Light the candle.
( ) Carefully put the jar over the candle until the top of the jar rests on the dish.
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Read the lesson and fill the blanks.
Let’s do the experiment together!Put the candle in the candle holder.Put the candleholder in the dish.Fill the dish half full of water.Light the candle with a or a lighter. What can you see? The candle is burning. the candle burn for two or three minutes. Then carefully put the jar over the candle until the top of the jar rests on the dish. As the candle burns, it up oxygen in the air. When the candle stops , it has used up all the oxygen in the jar.The water inside the jar and fills about of the jar.This is because about one fifth of the air is made up of oxygen.
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1. Put the candle in the candle holder.
2. Put the candle holder on the dish.
3. Fill the dish half full of water.
4. Light the candle
5. Let the candle burn for two or three minutes.
6.Carefully put the jar over the candle until the top of the jar rests on the dish.
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