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- 1. Multiple Choice
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
- 2. Multiple Choice
What happens to light when it strikes a mirror?
it bends
it goes through the mirror
it gets absorbed
it reflects off the mirror
- 3. Multiple Choice
The sun provides ____________ and ____________ energy that can be harnessed and used for solar power.
chemical, sound
mechanical, light
sound, light
light, thermal
- 4. Multiple Choice
Gigi and Leah are learning about sound energy by stretching a rubber band. What types of things would they notice? Choose 2
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
- 5. Multiple Choice
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
- 6. Multiple Choice
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
- 7. Multiple Choice
What type of energy do we get from the food we eat?
light
thermal
chemical
sound
- 8. Multiple Choice
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
- 9. Multiple Choice
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
- 10. Multiple Choice
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
- 11. Multiple Choice
Lillie experiments with an electric motor and a battery. Which is the best example of energy creating
change?
friction keeping the motor from moving
the motor's mass makes it difficult to move
disconnected wires making an open circuit
chemicals from the battery cause electricity to flow
- 12. Multiple Choice
Lucas rolls a ball down a steep hill. At which point does the ball have the greatest potential energy?
at the bottom of the hill
half way down the hill
after it starts moving
while it is at rest at the top of the hill
- 13. Multiple Choice
Aubree has two marbles. Marble A is still, and marble B is rolling. If marble B hits marble A, what will happen?
they attract each other
marble A transfers energy to marble B
marble B transfers energy to marble A
nothing
- 14. Multiple Choice
Which is NOT an example of energy causing motion?
skating down a sidewalk
sitting at the top of a slide
running the track quickly
swimming in the pool
- 15. Multiple Choice
Which of the following is NOT a change in motion?
making a left turn in a car
stepping on the brakes to stop a car
a car traveling in a straight line
a car accelerating faster
- 16. Multiple Choice
Which is NOT a true statement about energy?
it can change into another form of energy
it can cause a temperature change
it can cause movement
it can be completely used up
- 17. Multiple Choice
Colin is pushing a heavy box across the living room floor. Which statement best describes what is happening?
his force of his hand causes the box to move
gravity is pushing his hand
the floor is pushing on the box
gravity is causing the box to move
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