Energy

Front

What is energy?

Back

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

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the energy of moving particles in a substance.

Front

What is electrical energy?

Back

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

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object. It is the energy of motion and position.

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 a conductor?

Back

A conductor is a material that allows electricity to flow through it easily, such as metals like copper.

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity to flow through it easily, such as rubber or plastic.

Front

What happens to ice when thermal energy is added?

Back

When thermal energy is added to ice, it causes the ice to melt and turn into water.

Front

What is an example of mechanical energy?

Back

An example of mechanical energy is a moving car or a spinning top.

Front

What is the relationship between energy and work?

Back

Energy is required to do work. When work is done, energy is transferred from one object to another.