WorksheetsSCIENCE 7_QUIZ_HEAT TRANSFER
Total questions: 10
Worksheet time: 2mins
1. Warm air rises and the cool air sinks.
A. Conduction
B. Convection
c. Radiation
2. Barefoot walking on a rocky road.
A. Conduction
B. Convection
C. Radiation
3. Feeling the heat of the metal in your hand.
A. Conduction
B. Convection
Radiation
4. Getting that bread toasted for breakfast.
A. Conduction
B. Convection
C. Radiation
5. Heat from a bonfire warms your body.
A. Conduction
B. Convection
C. Radiation
6. Why are cooking utensils provided with a wooden handle?
A. Wood is cheaper than steel.
B. Wood is light and easy to handle.
C. Wood is a poor conductor of heat.
D. Wood is more attractive than steel.
7. Which of the following situations happened because of convection?
A. Clouds are forming over the beach.
B. Heat from the sand is felt by a person walking on the beach.
C. Heat from the sun is felt by a person lying on the beach.
D. Sea breeze felt by a person sitting by the beach.
8. How do you know when the transfer of heat has ended?
A. Both objects reach the same temperature.
B. When you can measure the amount of heat.
C. When the substance that is receiving the heat reaches its boiling point.
D. It never ends.
9. How is it that you can hold your fingers beside (but not above) a candle flame without getting hurt?
A. Air is a poor heat conductor.
B. Hot air sinks.
C. Hot air travels upward.
D. All the above
10. Why does a wet shirt on the clothesline dry on a sunny day?
A. The shirt dries because water molecules gain heat energy and condense.
B. The shirt dries because water molecules gain heat energy and evaporate.
C. The shirt dries because water molecules lose heat energy and condense.
D. The shirt dries because water molecules lose heat energy and evaporate.
