Thermal Energy Quiz

What is thermal energy?

• The energy that comes from heat

• The energy that comes from light

• The energy that comes from sound

• The energy that comes from cold

Which of the following is an example of thermal energy at a molecular level?

• Light generated by a light bulb

• Sound generated by a guitar string

• Heat generated by the movement of molecules in a pot of boiling water

• Electricity generated by a battery

What happens to the thermal energy of a substance when its temperature increases?

• The thermal energy of the substance decreases.

• The thermal energy of the substance remains the same.

• The thermal energy of the substance increases.

• The thermal energy of the substance becomes zero.

Which of the following is an example of thermal energy transfer?

• Radiation

• Evaporation

• Conduction

• Convection

What is the unit of measurement for thermal energy?

• Kelvin (K)

• Watts (W)

• Joules (J)

• Meters (m)

What is the relationship between temperature and thermal energy?

• Temperature and thermal energy are directly proportional

• Temperature has no effect on thermal energy

• Temperature and thermal energy are inversely proportional

• Temperature and thermal energy are unrelated

Which of the following is an example of thermal energy conversion?

• Hydraulic turbine

• Wind turbine

• Solar panel

• Steam turbine

What is the main source of thermal energy on Earth?

• Volcanoes

• Sun

• Stars

• Moon

What is the process of thermal energy transfer through direct contact called?

• evaporation

• convection

• conduction

• radiation

Which of the following materials is a good conductor of thermal energy?

• Glass

• Plastic

• Wood

• Metals