Forms of energy flashcard review

Front

What is mechanical energy?

Back

Mechanical energy is the energy that an object has due to its motion or position. It can be kinetic energy (energy of motion) or potential energy (stored energy due to position).

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What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons. It powers devices like lights, computers, and appliances.

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What is sound energy?

Back

Sound energy is the energy produced by vibrating sound waves. It is what we hear when music plays or when someone speaks.

Front

What is light energy?

Back

Light energy is a form of energy that is visible to the human eye. It is produced by sources like the sun, light bulbs, and fire.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total energy of all the particles in an object.

Front

How does a washing machine use energy?

Back

A washing machine converts electrical energy into mechanical energy to move and clean clothes.

Front

What type of energy is used when a person swings a tennis racket?

Back

The energy used is mechanical energy, as it involves motion.

Front

What type of energy do turbines in dams use?

Back

Turbines in dams use mechanical energy from flowing water to generate electricity.

Front

What is an example of a device that produces sound energy?

Back

A radio is an example of a device that produces sound energy.

Front

What happens to electrical energy in a light bulb?

Back

In a light bulb, electrical energy is converted into light energy and thermal energy.