Ch 1 + Ch 2

Correct answer is shown on each question. Use Next to read one by one.

Question 1 of 10 0% read

1. Critical temperature is the temperature at which:

A Resistance increases

B Material melts

C Material becomes superconducting

D Gas liquefies

2. Radiation transfers heat in the form of:

A Sound waves

B Electromagnetic waves

C Mechanical waves

D Particles

3. Latent heat of fusion is related to:

A Solid to gas

B Liquid to gas

C Solid to liquid

D Gas to liquid

4. Which material can act as a superconductor?

A Copper

B Iron

C Lead

D Wood

5. Handles of cooking pans are made of wood because:

A Wood is heavy

B Wood is cheap

C Wood is a poor conductor of heat

D Wood looks good

6. Why are cooking utensils made of metal?

A They are light

B They are shiny

C They conduct heat well

D They are cheap

7. Evaporation is faster on a:

A Cold day

B Humid day

C Windy day

D Cloudy day

8. Heat transfer in solids mainly occurs by:

A Convection

B Radiation

C Conduction

D Evaporation

9. Which surface is a good emitter of heat?

A Shiny surface

B Polished surface

C Black surface

D White surface

10. Which region of Earth is the main source of geothermal heat?

A Crust

B Mantle

C Atmosphere

D Hydrosphere

Ch 1 + Ch 2

You finished reading all questions