Energy

Which object has the most kinetic energy?

• a rock sitting on the top of a hill

• A poster on the wall

• A running faucet

• Milk in the refrigerator

Which form of energy is demonstrated by a person riding a bike?

• Chemical energy

• Potential energy

• Electrical energy

• Kinetic energy

Which of the following is not an example of potential energy?

• Heat from a campfire.

• Chemical energy in a battery

• Gravitational energy of a roller coaster at the top of the track

• Elastic energy in a stretched rubber band

What type of potential energy does a slinky have?

Kinetic energy is transformed to potential energy when?

• a skier skis down a slope

• a car speed up along the highway

• a roller coaster slows down as it climbs a hill

• a child runs across the playground

What conversion process occurs when a car burns fuel?

• chemical energy into mechanical energy

• kinetic energy into potential energy

• thermal energy into electrical energy

• mechanical energy into kinetic energy

Which of the following best describes the conversion of electrical energy to mechanical energy

• plugged in lamp

• hand crank generator

• fan

• windmill

Erosion is caused by rushing water, which of the following best describes the type of energy used during this process?

• Potential energy

• Chemical energy

• Elastic energy

• Kinetic energy

Where would you place a marble on an inclined plane for it to have the most potential energ?

• Top

• Middle

• Bottom

What is the formula for gravitational potential energy?

• GPE=mgh

• GPE=mg/h

• GPE=wmh