CHAPTER 5
ASSESSMENT
BLM 5–15
Chapter 5 Chapter Test
Name:
Date:
Total:
35 marks
Goal
To test your knowledge of the theory of heat, methods of heat transfer, land and sea breezes, and heat in
technology.
What to Do
Read the instructions carefully before answering each set of questions.
Multiple Choice (15 marks)
Read each question and the list of possible answers. Circle the best answer.
1. What is the cause of heat when two metals
rub together?
4. What kind of energy is the energy of
motion?
(a) ozone
(a) potential energy
(b) radiation
(b) mechanical energy
(c) fraction
(c) nuclear energy
(d) friction
(d) kinetic energy
2. Robert Brown examined the zigzag motion
of:
(a) protons
(b) particles
(c) popcorn
5. It which direction does heat flow?
(a) cold to hot
(b) hot to cold
(c) up
(d) north to south
(d) positrons
6. Choose the best definition for temperature.
3. What collides with particles to cause the
zigzag action of Brownian Motion?
(a) molecules
(b) calories
(c) electrons
(d) quarks
(a) average kinetic energy
(b) average potential energy
(c) electromagnetic energy
(d) total kinetic energy
7. Where can convection occur?
(a) in solids
(b) in liquids and gases
(c) only in water
(d) in a block of wood
CHAPTER 5
ASSESSMENT
BLM 5–15
Chapter 5 Chapter Test
(continued)
8. What usually happens to molecules to start
convection currents?
(a) They become heavier.
12. Look at these two containers of water. Both
of these containers are at the same
temperature. How does their amount of heat
energy compare?
(b) They contract.
(c) They gain kinetic energy and become
more active.
10 kg
1 kg
(d) They split.
9. Which of the following is required for heat
transfer by radiation?
(a) liquid
(b) gas
(a) They both have the same heat energy.
(b) 1 kg has twice as much heat energy.
(c) 10 kg has 10 times as much heat energy.
(d) 1 kg has 10 times as much heat energy.
(c) solid
(d) nothing
10. Which of the following is the best heat
conductor?
(a) gold
(b) plastic
(c) glass
(d) wood
11. Why are radiators and hot air vents placed
near the floor of houses and other buildings?
(a) hot air rises
(b) cold air rises
(c) hot air sinks
(d) cold air sinks
13. Check the location of the following cities on
a map of Canada. Which place has a
moderate climate because it is warmed by
heat transfer from a warm ocean current?
(a) Regina
(b) Winnipeg
(c) Charlottetown
(d) Québec
CHAPTER 5
ASSESSMENT
BLM 5–15
Chapter 5 Chapter Test
(continued)
14. On a sunny day, which way do sea breezes
blow?
(a) away from land
(b) toward the sea
(c) toward land
15. Which pot would transfer heat best?
(a) a glass pot
(b) a pot with a copper bottom
(c) a shiny steel pot
(d) a ceramic pot
(d) there is no sea breeze
Short Answer (20 marks)
Read each question carefully. You may answer in point form.
16. Explain the transfers of energy involved in boiling water in a pot. Describe each transfer. (3 marks)
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17. List two technologies in which heat is transferred through conduction. For each one, explain where
the conduction takes place. (4 marks)
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18. Explain the difference between heat and temperature. (2 marks)
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CHAPTER 5
ASSESSMENT
BLM 5–15
Chapter 5 Chapter Test
(continued)
18. Use sketches to show why hot air registers are placed on the floor and air conditioning outlets are
placed near the ceiling. Label your sketches to show what is happening to the air in each case.
(4 marks)
19. You hold a burning candle in one hand. Which of the three processes of heat transfer occurs in
each of the following situations? (3 marks)
a) Your hand is held high above the candle and feels heat. _______________________________
b) Your other hand is held near the side of the flame. The front of your hand feels heat.
_______________________________
c) A drop of wax falls on your hand and you feel heat. _______________________________
20. Consider the two beakers of water below.
Beaker A:
60°C
50 mL
Beaker A:
60°C
100 mL
a) Do their particles have the same average kinetic energy? Explain. (2 marks)
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b) Which object has more heat? Explain. (2 marks)
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