Understanding Energy Transformations

Front

What happens when energy is transformed from one form to another?

Back

It changes into a different form.

Front

What is a disadvantage of using coal as an energy source?

Back

It pollutes the atmosphere.

Front

What is the relationship between the weight of an object and its gravitational potential energy?

Back

They are proportionally related.

Front

What happens to mechanical energy when a moving object experiences friction?

Back

It turns into thermal energy.

Front

What happens to energy in a sound wave?

Back

It passes through matter without moving it.

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What are the two main types of energy?

Back

Kinetic energy and potential energy.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

Front

What is potential energy?

Back

Potential energy is stored energy based on an object's position.

Front

What is an example of energy transformation?

Back

A toaster transforms electrical energy into thermal energy to toast bread.