Direction: Choose the letter of the best answer.

1. What is the direction of heat transfer?

A. from cold to hot C. from hot to cold

B. from side to side D. from bottom to top

2. How is heat transferred in solid materials?

A. through vacuum C. through radiation

B. through convection D. through conduction

3. What happens to a solid when heated?

A. It remains the same.

B. It increases in volume.

C. It increases its water level.

D. It increases its temperature.

4. What may happen to a solid when it is continuously exposed to

heat?

A. it may expand C. it may become heavier

B. it may evaporate D. it may decrease in volume

5. Which of the following will you use to protect your hands from

getting burn when cooking?

A. bare hands C. handkerchiefs

B. face towels D. pot holder​