8.1 Energy Lesson Review

What is the scientific definition of energy?

• the ability to heat things up

• the ability to do work (cause change)

• the ability to conduct electricity

• the ability to create a force

The LIGHT given off by the solar flare is an example of...

• chemical energy

• electromagnetic energy

• sound energy

• thermal energy

Energy in a flashlight's battery changes from __________ energy to electrical energy.

Energy is always....

• created

• destroyed

• conserved

Give an example of energy transformation (#4 on page 547)

The Law of Conservation of Energy says that energy _____.

• can be created, used, and destroyed

• cannot be created, but can be destroyed

• can be created, but cannot be destroyed

• cannot be created or destroyed, but it can be used

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

Matter and energy CANNOT get into or out of a _____ system.

#7 on page 547: example of sound energy from the picture

#7 on page 547: example of chemical energy from the picture

#7 on page 547: example of mechanical energy from the picture