Heat and Temperature (Topical Review Section B)

Arrange the wax, P, Q, R and S, starting with the wax that melted first.

• R, Q, S, P

• R, Q, P, S

• Q, R, S, P

• Q, R, P, S

What causes the wax to melt? Respond by completing this sentence frame:

(The _____ from the _____)

This experiment shows that heat flows from a ________________ to a ________________ place.

• a colder to a hotter

• a hotter to a colder

Who did not have a fever? There is more than one answer. Select all that apply

• Tom

• Betty

• Hannah

• Patrick

• Boon Huat

The nurse placed ice packs on the foreheads of the patients with fever.

This is to help the bodies of patients to ______ heat to the ice pack and hence cool down.

The temperature of the water in both cups became lower. Explain why the temperature of the water in set-up A dropped. Respond by completing this sentence frame:

(The water in cup A _____ heat to the _____)

The temperature of the water in both cups became lower. Explain why the temperature of the water in set-up B dropped. Respond by completing this sentence frame:

(The water in cup B _____ heat to the _____)

After 10 minutes, which set-up will contain water with a lower temperature?

• Set-up A

• Set-up B

What could Peter conclude from his experiment? Respond by completing this sentence frame:

(______ is a better conductor of heat than______)

Select the variable(s) that Peter needs to keep the same for this experiment to be fair. There is more than one answer. Select all that apply

• Amount of water

• Material of the cup

• Material of the basin

• Thickness of the cup