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Activity No. 2: Understanding Conduction, Convection and Radiation
Heat transfer is occurring everywhere around you. Can you identify the
method of heat transfer taking place in each of the following situations?
Directions: Write conduction, convection, or radiation on your notebook/ on
separate sheet of paper.
1. You are stirring a bowl of hot soup with a metal spoon. The spoon starts to_______.
feel warmer because of
2. One end of a copper rod is placed in a flame of a Bunsen burner. Small pieces
of wax placed along the rod melt at a progressively larger distance from the
flame. Heat is transferred through the rod by_____.
3. In a swimming pool, the water near the surface is slightly warmer. The warm
water rises because of_____.
4. A chair is placed several feet from a fire in a fireplace. The fireplace has a glass
screen. The side of the chair facing the fireplace gets warm because of_____.
5. A college student holds the back of his hand near an iron to see if it is hot.
Heat is transferred to his hand by_____.
6. Near the ceiling of a room the air is warmer. The warm air rises because of_____.
7. You buy a lava lamp from the store. As the lamp heats up, blobs of liquid rise
to the top then sink back down to the bottom. This process continues because
of_______.
8. You are doing your homework at a desk that is underneath a lamp. You start
to feel hotter because of
from the lamp______.
9. Your best friend has a bunk bed. You move from the bottom bunk to the top
bunk and notice that the air is warmer. The warm air rises because of______.
10. You are in science class and want to see if the hot plates were used recently.
You place your hand over the hot plate. Without touching the hot plate, your
hand feels warmer. Heat is transferred to your hand by​________.