Energy Quiz Review

Which energy transformation occurs when classroom lights are switched on?

• Electrical energy is transformed into electromagnetic energy.

• Light energy is transformed into electrical energy.

• Heat energy is transformed into sound energy.

• Sound energy is transformed into heat energy.

Which form of energy is stored in a piece of wood?

• nuclear

• electromagnetic

• chemical

• mechanical

What is an advantage that solar power has over fossil fuels?

• It's renewable.

• It does not cause as much pollution as burning fossil fuels.

• It is very expensive.

• a and b.

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What type of energy are you demonstrating when you run around a track?

• electrical

• kinetic

• potential

• nuclear

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Which energy source is considered nonrenewable?

• moving water

• fossil fuel

• wind

• biomass

A student drops a basketball and the ball bounces back up but to a height lower than where it was originally dropped. Why?

• The bounce uses up the ball's potential energy

• Some energy is changed to sound and thermal energy during the bounce.

• The gravitational pull increases during the bounce.

• The ball gains potential energy from the surface during the bounce.

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What type of energy does a car's engine convert from fuel?

• Chemical energy

• Thermal energy

• Kinetic energy

• Electrical energy

What happens to the energy in the engine when the car moves forward?

• The energy is transformed into electrical energy to power the lights.

• The energy is used to create mechanical energy that moves the car.

• The energy is stored in the battery.

• The energy is used only to produce heat in the engine.

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What two factors influence kinetic energy?

• Mass and velocity

• Force and distance

• Time and temperature

• Pressure and volume

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Potential energy is influenced by which two factors?

• Mass and height

• Speed and direction

• Temperature and pressure

• Volume and density

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