Apple Blow

MATERIALS NEEDED:

  • apple
  • candle with stand
  • matches
  • knife
Apple Blow movies
Click for QT movie. (890K)
Click for QT movie. (410K)

STEPS TO FOLLOW:

one Talk with the children about the experiment and fire safety.

two Light the candle and place the apple about 2 inches in front of the candle.

three Let a number of students try to blow out the candle. What happens?

four Now place the apple several inches in front of the candle.

five Let the students try to blow out the candle as they did in steps 3. What happens this time?

six Now, slice the apple in half. Place the apple such that the flat side is facing away from the candle (and towards the students).

seven Let the students try to blow out the candle as they did in steps 3 and 5. What happens? Where does the air go?

eight Now place the candle to the side of the apple and let the students blow at the apple. Be sure to place the candle only a couple of inches from the apple. What happens now?


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Last modified: Sat Mar 21 19:07:44 PST 1998

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