Energy Transformations Review

Front

What is energy transformation?

Back

Energy transformation is the process of changing energy from one form to another, such as converting electrical energy into light energy.

Front

What type of energy does a light bulb convert electrical energy into?

Back

A light bulb converts electrical energy into light energy and heat energy.

Front

What device transforms electrical energy into sound?

Back

A radio transforms electrical energy into sound.

Front

What energy transformation occurs when gasoline burns in an engine?

Back

The burning of gasoline transforms chemical potential energy into thermal energy.

Front

What is the primary energy transformation in a hydropower dam?

Back

In a hydropower dam, the primary energy transformation is potential energy to mechanical energy to electrical energy.

Front

What type of energy is stored in food?

Back

Food contains chemical potential energy.

Front

What is mechanical energy?

Back

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

Front

What is chemical energy?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like atoms and molecules.

Front

How do muscles convert energy when we walk?

Back

Muscles convert chemical energy from food into mechanical energy to facilitate movement.

Front

What is the role of heat energy in energy transformations?

Back

Heat energy is often a byproduct of energy transformations, such as when electrical energy is converted to light energy in a bulb.