Energy Unit Review

Front

The electrical energy of the stove is transformed to _____ energy.

Back

Thermal energy is the energy that comes from the temperature of matter. When a stove is used, it converts electrical energy into thermal energy to cook food.

Front

When light energy is converted to heat energy, this is known as _______.

Back

Energy transformation is the process of changing energy from one form to another, such as light energy being converted into heat energy.

Front

Which items would have this energy transformation: mechanical energy -> electrical energy?

Back

A windmill turning converts mechanical energy from the wind into electrical energy.

Front

When a bowling ball hits the bowling pins, a sound rings through the bowling alley. The change from motion energy to sound energy is an example of a(n) ______.

Back

Energy transformation is the change of energy from one form to another, such as motion energy changing to sound energy.

Front

Which items would have this energy transformation: chemical energy -> mechanical?

Back

Digesting an apple is an example of chemical energy being transformed into mechanical energy, as the body uses the energy to move.

Front

What is energy?

Back

Energy is the ability to do work or cause change. It exists in various forms, including thermal, mechanical, electrical, chemical, and more.

Front

What is thermal energy?

Back

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

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object. It is the energy associated with the motion and position of an object.

Front

What is chemical energy?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like food and fuel. It is released during a chemical reaction.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons. It powers devices like lights, computers, and appliances.