______1. Which of the following statements is true about heat transfer?
A. Heat transfers from a colder to hotter object.
B. Heat transfers only in vacuum or empty space.
C. Transfer of heat is only on objects that are in contact.
D. Transfer of heat occurs when objects have different temperatures.
______2. You place a warm bottle of juice in ice water. How would you compare the temperature of the juice to
that of the water after one hour?
A. the same
C. much colder
B. much hotter
D. a little bit colder
______3. The ice cubes melt as you hold them in your hand. What is the direction of heat transfer in this
situation?
A. ice cube air
C. hand air
B. hand ice cube
D. ice cube hand
______4. What heat transfer happens when you accidentally burn your finger by touching fire?
A. Conduction
B. Convection
C. Dispersion
D. Radiation
______5. In which of the following can convection current occur?
A. Aluminum
B. Vacuum
C. Water
D. Wood
______6. What type of heat transfer can occur in a vacuum or empty space?
A. Conduction
B. Convection
C. Evaporation
D. Radiation
______7. Your house is burning and you notice that the smoke and flame rise, but near the floor is colder and
less smoky; that’s why you crawl and manage to get out from your house safely. This observation is
an example of what method of heat transfer?
A. Conduction
B. Convection
C. Insulation
D. Radiation
______8. Why are some cooking pots coated black? It is because black surfaces_________.
A. reflect more heat
C. are more durable
B. are easier to clean
D. absorb more heat
For questions number 9 – 12, refer to the situation and illustration below:
Your mother is preparing chicken soup for your dinner
using a metal pan placed over a hot stove.
______9. How does heat travel to the metal pan? Heat travels to the metal pan by____________.
A. conduction
B. convection
C. dispersion
D. radiation
______10. What method heats up the entire chicken soup?
A. Conduction
B. Convection
C. Evaporation
D. Radiation
______11. In what direction does heat travel through the chicken soup inside the pan?
A. From bottom to top
C. From top to bottom
B. Sideways to the right
D. Sideways to the left
______12. Your mother stands near the burning stove and fells warm in her stomach. How does heat from the
stove travel sideways to her stomach? Heat travels through __________.
A. conduction
B. convection
C. dispersion
D. radiation
______13. Which of the following situations is an example of conduction?
A. The spoon used to stir hot coffee is heated.
B. Clothes hanged outside the house are dried.
C. The water of the lake over a hot spring is heated.
D. Warm foods in lower compartments of the freezer are cooled.
______14. Which of the following is an example of convection?
A. Holding a hot water bottle
C. Boiling water for a hot bath
B. Stepping on a cold tile floor
D. Drying of wet rug in clothes line
______15. The following are examples of heat transfer by radiation, EXCEPT:
A. Drying salted fish
C. Sun bathing
B. Ironing clothes
D. Roasting chicken
Share
Answer:
1.D.
2.C.
3.B.
4.A.
5.C.
6.D.
7. B.
8. D.
9. D.
10.D.
11.A.
12.A.
13.A.
14.C.
15. B.