Energy

A football is at rest on a field. You kick the ball up into the air. What energy transfer happens?

• kinetic to potential energy
• potential to kinetic energy
• potential to potential energy
• kinetic to kinetic energy

A roller coaster at the top of the hill is an example of ____________________________ energy.

• potential
• kinetic

A soccer player kicking the ball is an example of ____________________________ energy.

• potential 
• kinetic

What form of energy does a flashlight produce?

• light
• sound
• mechanical
• thermal

When you turn on a radio, what type of energy transformation takes place?

• sound energy to chemical energy
• chemical energy to sound energy
• electrical energy to sound energy
• sound energy to electrical energy

Look at the picture.   If one light bulb burns out, what would happen to the other light bulb?   The other light bulb will

• go out.
• stay lit.

Is a pop tab a CONDUCTOR?

• yes
• no

Is a popsicle stick a CONDUCTOR?

• yes
• no

How are conductors and insulators different?

• In a conductor, electric current can flow freely; in an insulator it cannot.
• In an insulator, electric current can flow freely; in a conductor it cannot.
• In both conductors and insulators, electric current flows freely.

What is one way to make a magnet stronger?

• Increase the number of loops around the metal core
• Decrease the number of loops around the metal core