Chapter 11: Heat Transfer - Science Mcqs for Grade 7

1.

The stopper is made up of

A. metal

B. transition metal

C. good insulator of heat

D. poor insulator of heat

Answer & Solution Discuss in Board

2.

"Thermos" was invented by a

A. French scientist

B. Spanish scientist

C. American scientist

D. Scottish scientist

Answer & Solution Discuss in Board

3.

Fire fighters use thermal image cameras to identify

A. the spread of fire

B. the source of fire

C. the heat released by fire

D. the temperature of fire

Answer & Solution Discuss in Board

4.

Like light and heat, radio waves can also travel through

A. water

B. solids

C. sand

D. vacuum

Answer & Solution Discuss in Board

5.

If a substance is hot, its particles will

A. move fast than the cooler object

B. move slow than the cooler object

C. move as the cooler object

D. may move fast or slow than the cooler object

Answer & Solution Discuss in Board

6.

One example of bad thermal insulator is

A. potassium

B. paper

C. cork

D. wool

Answer & Solution Discuss in Board

7.

The color and texture of a poor reflector of radiant heat is

A. black and shiny

B. black and dull

C. white and shiny

D. white and dull

Answer & Solution Discuss in Board

8.

The insulation reduces the amount of heat

A. leaving the house

B. entering the house

C. transferring the chamber

D. releasing the chamber

Answer & Solution Discuss in Board

9.

In fire fighting another use of thermal imaging camera is

A. spotting source of fire

B. spotting people in the fire

C. identifying flammable objects

D. identifying wood and steel

Answer & Solution Discuss in Board

10.

The rise of warm air and fall of cool air in order to fill the space forms a

A. radiation current

B. conduction current

C. convection current

D. air current

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on Chapter 11: Heat Transfer - Science Mcqs for Grade 7

1. The stopper is made up of

Answer & Solution

2. "Thermos" was invented by a

Answer & Solution

3. Fire fighters use thermal image cameras to identify

Answer & Solution

4. Like light and heat, radio waves can also travel through

Answer & Solution

5. If a substance is hot, its particles will

Answer & Solution

6. One example of bad thermal insulator is

Answer & Solution

7. The color and texture of a poor reflector of radiant heat is

Answer & Solution

8. The insulation reduces the amount of heat

Answer & Solution

9. In fire fighting another use of thermal imaging camera is

Answer & Solution

10. The rise of warm air and fall of cool air in order to fill the space forms a

Answer & Solution

Read More Section(Science Mcqs)

1.

The stopper is made up of

2.

"Thermos" was invented by a

3.

Fire fighters use thermal image cameras to identify

4.

Like light and heat, radio waves can also travel through

5.

If a substance is hot, its particles will

6.

One example of bad thermal insulator is

7.

The color and texture of a poor reflector of radiant heat is

8.

The insulation reduces the amount of heat

9.

In fire fighting another use of thermal imaging camera is

10.

The rise of warm air and fall of cool air in order to fill the space forms a