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a candle holder
a big glass jar
a shallow dish with water
matches
oxygen
What do we need?
1. Put the candle in the candle holder.
2. Put the candle holder in the dish.
4. Light the candle.
How do we do the experiment?
观
察
领
悟
3. Fill the dish half full with water.
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.
7. Look at the water
in the jar.
观
察
领
悟
What is happening?
阅读共品
1.How is the candle in the jar？
2.How far did the water rise?