Energy

Which is an example of mechanical energy?

• hearing your mom's voice on your cell phone

• watching a ball roll down a hill

• listening to a car horn get louder as it gets closer

• seeing a firecracker make sparks in the sky

Tags

NGSS.MS-PS3-5

What happens to light when it strikes a mirror?

• it bends

• it goes through the mirror

• it gets absorbed

• it reflects off the mirror

Tags

NGSS.MS-PS4-2

The sun provides ____________ and ____________ energy that can be harnessed and used for solar power.

• chemical, sound

• mechanical, light

• sound, light

• light, thermal

Gigi and Leah are learning about sound energy by stretching a rubber band. What types of things would they notice?

• pitch gets lower as the rubber band is stretched

• vibrations slow down when the band is stretched tighter

• pitch stays the same as the rubber band is stretched

• pitch gets higher as the rubber band is stretched

• vibrations are faster when the band is stretched tighter

When a pitch changes from low to high...

• vibrations are happening faster

• vibrations are happening more slowly

• the vibrations do not change

• there is no vibration

What types of energy are most represented in a lit lightbulb that is plugged into an outlet?

• chemical, light, thermal

• mechanical, sound, light

• light, thermal, electrical

• electrical, chemical, sound

What type of energy do we get from the food we eat?

• light

• thermal

• chemical

• sound

Tags

NGSS.MS-LS1-7

What happens if you hold an ice cube in your hand?

• cold from the ice cube transfers to your hand

• heat from your hand transfers to the ice cube

• cold from your hand transfers to the ice cube

• heat from the ice cube is transferred to your hand

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

When a football player kicks a ball, he transfers energy to the ball. What happens as a result?

• the ball gains kinetic energy

• the ball loses sound energy

• the ball loses thermal energy

• the ball gains light energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What would most likely cause a bowling ball at rest to move?

• it's temperature

• it's shape

• it's size

• energy applied to the bowling ball

Tags

NGSS.MS-PS2-2