Procedure and Observation:
Attach one end of the wire with a wooden block which will serve as a handle. Place drops of candle wax at
different points of the wire. Let several seconds pass to make the candle wax stick to the wire. Heat the free end
of the wire over the flame of the lighted candle. Observe what happens to the candle wax as you heat the wire.
Draw the se-up and put arrows to indicate the flow of energy.
1. What happened to the candle wax when you heat the free end of the wire?
A.
2. Describe the direction of the heat energy in the wire. Which of the candle wax melted first?
3. Describe the method of heat energy transfer exhibited by the given activity.
Attach one end of the wire with a wooden block which will serve as a handle. Place drops of candle wax at
different points of the wire. Let several seconds pass to make the candle wax stick to the wire. Heat the free end
of the wire over the flame of the lighted candle. Observe what happens to the candle wax as you heat the wire.
Draw the se-up and put arrows to indicate the flow of energy.
1. What happened to the candle wax when you heat the free end of the wire?
A.
2. Describe the direction of the heat energy in the wire. Which of the candle wax melted first?
3. Describe the method of heat energy transfer exhibited by the given activity.
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Answer:
1. The candle wax melted and dripped off the wire as it was heated.
2. The heat energy flowed from the free end of the wire towards the wooden block handle. The candle wax that was closest to the free end of the wire melted first.
3. The method of heat energy transfer exhibited by the given activity is conduction. Heat energy was transferred from the free end of the wire to the rest of the wire, causing the wire to become hot and melt the candle wax that was in contact with it.