2 Uses of Energy

Uses of Energy

How energy is used and produced

Reflect

Think about three common objects:

a flashlight, a computer, and a toaster.

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• A flashlight provides light.

• A computer stores information and displays it on a screen.

• A toaster cooks food.

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Each does a different job, but Each uses at least one type of energy.

You have probably heard the word energy, and you use energy every day, but what exactly is energy?

​Energy

• Energy is the ability to do work or cause change

• Energy comes in different forms

• Energy can change from one form to another

Multiple Choice

Energy is the ability to do work or cause change.

• True

• False

Mechanical Energy

Motion

This is all the energy an object has due to it's movement and position. ​

Kinetic- Motion

Potential- Stored energy ​

Multiple Choice

Study the photograph.

Read the descriptions of how energy is being used. Match each description with the correct photograph.

• Electrical energy is changed into thermal energy and light energy.

• Electrical energy is changed into mechanical energy.

• Mechanical energy is changed into thermal and light energy.

• Mechanical energy is changed into sound energy.

Energy resulting from the flow of electric charge through a conductor.

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​Some text here about the topic of discussion.

Electrical Energy

Multiple Choice

Study the photograph.

Read the descriptions of how energy is being used. Match each description with the correct photograph.

• Electrical energy is changed into thermal energy and light energy.

• Electrical energy is changed into mechanical energy.

• Mechanical energy is changed into thermal and light energy.

• Mechanical energy is changed into sound energy.

Energy that allows us to see .

Travels in waves through space.​

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​Some text here about the topic of discussion.

Light Energy

Multiple Choice

Study the photograph.

Read the descriptions of how energy is being used. Match each description with the correct photograph.

• Electrical energy is changed into thermal energy and light energy.

• Electrical energy is changed into mechanical energy.

• Mechanical energy is changed into thermal and light energy.

• Mechanical energy is changed into sound energy.

​*Heat

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Energy that causes a transfer of heat between materials.

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​Some text here about the topic of discussion.

Thermal Energy

Multiple Choice

Study the photograph.

Read the descriptions of how energy is being used. Match each description with the correct photograph.

• Electrical energy is changed into thermal energy and light energy.

• Electrical energy is changed into mechanical energy.

• Mechanical energy is changed into thermal and light energy.

• Mechanical energy is changed into sound energy.