Energy and Energy transformations retake

Kinetic energy is energy due to...

• interactions between objects or particles
• motion
• elasticity
• mass

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Potential energy is energy that is...

• stored
• already used
• being used currently
• never going to be used

Tags

NGSS.MS-PS3-2

What is energy?

• the ability to cause change
• the ability to resist change
• the ability to lack change
• the ability to 

"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."

Which law is this?

• Law of Conservation of Mass

• Newton's Second Law

• Law of Conservation of Energy

• Newton's Third Law

Tags

NGSS.MS-PS3-5

Can energy be created or destroyed?

• Yes
• No

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which energy transformation occurs in a toaster?

• chemical to electric
• electric to thermal
• kinetic to chemical
• thermal to potential

Which of the following devices transforms electrical energy into mechanical energy?

• An e-reader
• a fan
• a manual pencil sharpener
• ipod

Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?

• chemical to electrical to radiant

• radiant to electrical to sound

• chemical to radiant to mechanical to electrical

• electric to radiant to chemical

Tags

NGSS.MS-PS3-5

Which of the following energy transfers occurs when food is digested?

• chemical to mechanical
• radiant to nuclear
• mechanical to potential
• thermal to chemical

Tags

NGSS.MS-LS1-6

NGSS.MS-PS3-5

According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 

• destroyed, destroyed
• created, saved
• created, destroyed
• lost, found

Tags

NGSS.MS-PS3-5