Energy

Front

What is energy?

Back

Energy is the ability to do work or cause change. It exists in various forms, such as light, heat, and sound.

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 and light bulbs.

Front

What is sound energy?

Back

Sound energy is produced when objects vibrate, creating waves that travel through air or other mediums.

Front

What is a conductor?

Back

A conductor is a material that allows electricity or heat to flow through it easily. Examples include metals like copper and iron.

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity or heat to flow through it easily. Examples include rubber and wood.

Front

What causes sound?

Back

Sound is caused by vibrations that create waves in the air or other materials.

Front

What is electrical energy?

Back

Electrical energy is the energy of moving electrons, which can be used to power devices like lamps and computers.

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What is chemical energy?

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Chemical energy is stored in the bonds of chemical compounds and is released during a chemical reaction, such as burning fuel.

Front

What is the difference between potential and kinetic energy?

Back

Potential energy is stored energy based on position, while kinetic energy is the energy of motion.

Front

What is heat energy?

Back

Heat energy, or thermal energy, is the energy that comes from the temperature of matter. It is the energy of moving particles.