energy review

Mr. Berry's students are complaining that it is hot in the classroom. He plugs in the fan and turns it on, which energy transformation occurs?

• mechanical to electrical

• electrical to mechanical

• chemical to mechanical

• electromagnetic to mechanical

Energy is the ability to do  ___________.

• Nothing
• Work
• Energy
• Change

The sun’s energy used by green plants to produce food is an example of light energy being converted to what other form of energy?

• kinetic energy
• heat energy
• mechanical energy
• chemical 

The Law of Conservation of Energy states that...

• energy can be destroyed
• energy can not be created or destroyed
• energy can only be destroyed using the force

Energy can be created.

• True
• False

Which skier will have a greater potential energy? 

• Skier 1
• Skier 2

What object can change electrical energy into light energy?

• A candle
• A fire
• A lamp
• A radio

Light energy is...

• heat energy
• energy an object has because of its position or motion
• energy that travels in waves and can move through empty space
• matter vibrating

Which energy conversion is taking place when you put gasoline in a car?

• thermal -> electrical
• mechanical -> electrical
• chemical -> mechanical
• mechanical -> electromagnetic

When you eat pizza, Chemical Energy is transferred to _____ Energy.

• Solar
• Electrical
• Mechanical
• Chemical