Collisions Lesson

In science, when one object runs into another we call it a _____________.

• crash

• hit

• strike

• collision

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What is transferred at the instant the bat hits the ball?

• matter

• energy

• sound

• light

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What do we call the section of a car that absorbs energy in a collision?

• windshield

• bumper

• hood

• crumple zone

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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

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Match the following terms with their scientific definitions.

• An event where two objects come together with force.

• collision

• A sudden stop due to an impact.

• crash

• A forceful contact or impact.

• hit

• A deliberate and forceful contact.

• strike

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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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What happens when Dr. Jeff's mom collides with Izzy?

• nothing

• Dr. Jeff's mom flies back

• Izzy flies back

• they both fly back

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While playing pool, Emma notices that the pool balls bounce apart.  What type of collision is this?

• Elastic

• Inelastic

• Explosive

• Force

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What happens when two objects collide?

• Energy is changed into force.

• Energy is transferred from one object to another.

• Energy is created and the objects move faster.

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The picture shows what type of collision?

• Elastic, Inelastic and Perfectly Inelastic Collision

• Inelastic Collision

• Perfectly Inelastic Collision

• Elastic Collision

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