CHS S1 Heat and energy

What is energy measured in?

• Watts

• Joules

• Newtons

• Calories

Which of the following is NOT a form of energy listed in the document?

• Kinetic

• Thermal

• Magnetic

• Atomic

What does the Law of Conservation of Energy state?

• Energy can be created and destroyed

• Energy cannot be changed from one form to another

• Energy can be transferred or transformed, but not created or destroyed

• Energy is always lost when transferred from one form to another

How is energy efficiency described?

• The total energy transferred divided by useful energy supplied

• The useful energy supplied divided by total energy transferred

• The useful energy transferred divided by total energy supplied

• The total energy supplied divided by useful energy transferred

What happens to particles when they gain kinetic energy due to heat?

• They contract and move closer together

• They expand and move further apart

• They remain stationary

• They change from solid to liquid

Which of the following is a good conductor of heat?

• Wood

• Plastic

• Metal

• Glass

What type of heat transfer occurs in liquids and gases due to the movement of warmer, less dense gas or liquid rising and cooler, denser gas or liquid sinking?

• Conduction

• Convection

• Radiation

• Insulation

How does heat radiation travel through space?

• Through a medium

• By moving particles

• Through a vacuum without moving particles

• By convection currents

What are the three main parts of a thermal power station?

• Boiler, turbine, and generator

• Reactor, condenser, and pump

• Furnace, transformer, and distributor

• Compressor, evaporator, and cooler

Fossil fuels are considered what type of energy resource?

• Renewable energy resource

• Non-renewable energy resource

• Inexhaustible energy resource

• Artificial energy resource