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- 1. Multiple Choice
What makes things happen?
matter
computers
energy
density
- 2. Multiple Choice
Which of these is NOT true about energy?
it moves wind turbines
it knocks down bowling pins
it makes a baseball fly
you can hold it in your hand
- 3. Multiple Choice
In science, when one object runs into another we call it a ____________.
crash
hit
strike
collision
- 4. Multiple Choice
What happens when Dr. Jeff's mom collides with Izzy?
nothing
Dr. Jeff's mom flies back
Izzy flies back
they both fly back
- 5. Multiple Choice
To make a fair test or experiment you should change __________ variable(s) at a time.
one
two
three
four
- 6. Multiple Choice
What is transferred at the instant the bat hits the ball?
matter
energy
sound
light
- 7. Multiple Choice
As an object moves faster, it has more of what to transfer?
weight
density
energy
matter
- 8. Multiple Choice
If you increase the weight of a moving object, the amount of energy it can transfer does what?
increases
decreases
stays the same
none of these
- 9. Multiple Choice
What do we call the section of a car that absorbs energy in a collision?
windshield
bumper
hood
crumple zone
- 10. Multiple Choice
When a hockey puck hits a plexiglass barrier some of the energy is converted into what?
sound and heat
sound and matter
matter and heat
sound only
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