6.8B HMH Questions

Front

What is chemical energy?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like atoms and molecules. It is released or absorbed during a chemical reaction.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons. It is commonly used to power devices like flashlights and hair dryers.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the energy that comes from the movement of particles in a substance.

Front

What is light energy?

Back

Light energy is a form of energy that is visible to the human eye. It is produced by the vibrations of electrically charged particles.

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating sound waves. It is the energy that we hear.

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 energy transformation?

Back

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

Front

What is an example of energy transformation in a flashlight?

Back

In a flashlight, chemical energy from the battery is transformed into electrical energy, which is then transformed into light energy.

Front

What is the role of the electric wire in a flashlight?

Back

The electric wire in a flashlight carries electrical energy from the battery to the light bulb.

Front

What happens when you turn on a hair dryer?

Back

When you turn on a hair dryer, electrical energy is transformed into thermal energy, which produces heat to dry hair.