Lesson 18: Introduction — Energy Inputs and Outputs
Completion requirements
Lesson 18:
Energy Inputs and Outputs
Lesson 18:
Energy Inputs and Outputs
This lesson will introduce you to the concept of energy inputs and outputs. The upcoming activities will get you thinking about how you use energy.

@creativecommons
In this lesson, you will:
- learn about various types of energy inputs and outputs
- learn how to calculate how efficient a device is at converting input energy into useful output energy
- learn about reducing energy waste
Key terms for this lesson:
- efficiency
- input energy
- output energy
- energy pyramid