Energy Review

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

• mechanical to electrical
• electrical to mechanical
• chemical to mechanical
• electromagnetic to mechanical

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

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

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

Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

When plants convert the sun's energy into food, which is the correct transformation of energy?

• kinetic to chemical

• radiant to chemical

• thermal to mechanical

• chemical to radiant

On a roller coaster, where is maximum potential energy?

• At the bottom of a big hill
• When going around a corner
• When going upside down
• At the top of a big hill

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction