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Playing a drum produces ________, which is a form of energy that you can hear.

• light

• sound

• heat

• stored energy

Energy can ______ from one object to another object.

• change

• transfer

• collide

• convert

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

• crash
• hit
• strike
• collision

When two or more objects hit each other with a force they experience a _____________.

• Collision

• type of electricity

Energy transfer is

• when an object is in motion.

• change energy from sound to heat sound.

• the movement of energy from object to another.

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

• weight

• energy

• density

• matter

What is a conductor?

•  A material that allows electricity to flow through it.  The circuit is complete. 
• A material that does not allow electricity to flow through.  It stops the flow of electricity.
• A light switch.

What is an electrical circuit?

• a whole bunch of wires

• a broken path that electric charges can flow

• a circuit board

• a complete, unbroken path through which electric charges flow

We need a _____ circuit for the light bulb to BE ON. 

• closed
• open

A north pole and a south pole will attract each other.

• True

• False