SUMMATIVE ASSESSMENT:
Directions: Read the questions carefully and write the letter of the correct answer.

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 o air
B. hand o 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 crawi and manage 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​