Collisions-GG Video 4.PS3.1

As an object moves faster, it has more of what to transfer?

• density

• weight

• energy

• matter

What makes things happen?

• matter

• computers

• energy

• density

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

• light

• sound

• matter

• energy

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

• collision

• crash

• hit

• strike

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

• they both fly back

• Izzy flies back

• Dr. Jeff's mom flies back

• nothing

Which of these is NOT true about energy?

• you can hold it in your hand

• it knocks down bowling pins

• it moves wind turbines

• it makes a baseball fly

When a hockey puck hits a plexiglass barrier, some of the energy is converted into what?

• sound and heat

• sound only

• sound and matter

• matter and heat

If you increase the weight of a moving object, the amount of energy it can transfer does what?

• stays the same

• decreases

• increases

• none of these

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

• crumple zone

• hood

• bumper

• windshield

To make a fair test or experiment, you should change ....... variable(s) at a time.

• two

• four

• one

• three