Law of Conservation of Energy

Front

What is the Law of Conservation of Energy?

Back

The Law of Conservation of Energy states that energy cannot be created or destroyed, only transformed from one form to another.

Front

What happens to energy when an iron is plugged in?

Back

Electrical energy is transformed into thermal (heat) energy.

Front

What is potential energy?

Back

Potential energy is the energy stored 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 happens to potential energy as a rock falls from a cliff?

Back

The potential energy decreases as the kinetic energy increases.

Front

Where is maximum kinetic energy on a roller coaster?

Back

At the bottom of a big hill.

Front

What happens to energy in a flashlight after use?

Back

All of the energy from the battery is transformed into light and heat.

Front

Can energy be created?

Back

False, energy cannot be created; it can only be transformed.

Front

What is an example of energy transformation?

Back

When a battery powers a toy car, chemical energy is transformed into mechanical energy.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter.