Energy Transformations Review

Front

What is energy transformation?

Back

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

Front

Give an example of electrical energy transforming into sound energy.

Back

A radio transforms electrical energy into sound energy.

Front

What happens when electrical energy is transformed into heat energy?

Back

This transformation occurs in devices like electric kettles, where the electrical energy heats the water.

Front

How can gravitational potential energy be increased?

Back

Gravitational potential energy can be increased by increasing the mass of an object or its height above the ground.

Front

What type of energy transformation occurs in a television?

Back

In a television, electrical energy is transformed into light and sound energy.

Front

What is the role of electrical energy in a microwave oven?

Back

In a microwave oven, electrical energy is transformed into heat energy to cook food.

Front

What is an example of a device that transforms electrical energy into light and heat?

Back

A hair dryer transforms electrical energy into light and heat.

Front

What is the relationship between mass and gravitational potential energy?

Back

Gravitational potential energy increases with the mass of an object; heavier objects have more potential energy at the same height.

Front

What type of energy transformation occurs in a computer?

Back

In a computer, electrical energy is transformed into sound, light, and heat.

Front

What is the definition of sound energy?

Back

Sound energy is the energy produced by vibrating sound waves.