5.6a Forms of Energy

Front

What is mechanical energy?

Back

Mechanical energy is the energy that an object has due to its motion (kinetic energy) or its position (potential energy). For example, a moving car has mechanical energy.

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What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons. It is used to power devices like lamps, computers, and appliances.

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What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. The hotter the substance, the more thermal energy it has.

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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 someone speaks or when music plays.

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What is light energy?

Back

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

Front

How does a water wheel work?

Back

A water wheel converts the energy of flowing water into mechanical energy, which can be used to perform work, such as grinding grain.

Front

What is an example of a device that uses mechanical energy?

Back

A bicycle is an example of a device that uses mechanical energy, as it converts the energy from pedaling into motion.

Front

What is the relationship between electrical energy and mechanical energy in a conveyor belt?

Back

A conveyor belt uses electrical energy to produce mechanical energy, allowing it to move items like luggage.

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What type of energy does a lamp use to produce light?

Back

A lamp uses electrical energy to produce light energy.

Front

What is potential energy?

Back

Potential energy is the stored energy in an object due to its position or state. For example, a rock at the top of a hill has potential energy.