5.P.3.1 - Thermal Energy

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Which is most responsible for the uneven heating of the air in the atmosphere? *

1 point

a. radiation

b. convection

c. conduction

d. condensation

A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot? *

1 point

a. combustion

b. convection

c. radiation

d. conduction

Which is the best example of the transfer of heat by radiation? *

1 point

a. water boiling

b. ice melting

c. a hot air balloon rising

d. a lightbulb glowing

Bill stands in a swimming pool and notices that the water around his feet is a lot cooler than the water near the surface. Which process causes this difference in temperature? *

1 point

a. convection

b. evaporation

c. radiation

d. conduction

People sitting around a campfire are able to feel the heat from the fire. How are the people able to feel the heat from the fire without touching the fire? *

1 point

a. The heat from the fire travels through the ground and heats the ground around the people.

b. The heat from the fire is conducted through air molecules to the people.

c. The heat from the fire rises in the air and then settles around the people.

d. The heat from the fire radiates from the fire to the people.

Stirring a cup of hot tea causes a metal spoon to get warm. Which statement best explains why the spoon gets warm? *

1 point

a. Heat energy transfers from the metal spoon to the hot liquid.

b. Heat energy transfers from the hot tea to the spoon.

c. Heat energy transfers from the air to the hot liquid, and then to the spoon.

d. Heat energy transfers from the hot liquid to the cup, and then to the spoon.

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