Energy Transformations

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

Can energy be created or destroyed?

Back

No, energy cannot be created or destroyed; it can only be transformed from one form to another.

Front

What is thermal energy?

Back

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

Front

What type of energy do speakers use to produce sound?

Back

Speakers use electrical energy to produce sound.

Front

What is an example of energy transformation in a steam locomotive?

Back

Chemical energy from burning fuel is transformed into thermal energy, which is then transformed into mechanical energy to move the train.

Front

What is potential energy?

Back

Potential energy is the stored energy in an object due to its position or state.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

Front

What type of energy is produced by a TV but is not its intended use?

Back

Thermal energy is produced by a TV but is not its intended use.

Front

What happens to a speaker when it plays louder?

Back

The speaker gains thermal energy as it works harder to produce sound.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons.