Energy and Waves

A teacher describes the movement of a roller coaster to exemplify potential and kinetic

energy. Which statement describes the relationship between potential and kinetic energy that

is shown by a roller coaster?

• At the top of the hill, a roller coaster car has the least amount of potential energy.

• At the base of the hill, a roller coaster car has the maximum amount of potential energy.

• At the top of the hill, a roller coaster car has the least amount of kinetic energy.

• At the base of the hill, a roller coaster has the least amount of kinetic energy.

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of the following is NOT an example of energy be transferred by sound waves?

• Meat sizzling on a grill

• Heating a pizza in the oven

• A balloon popping

• A lightning strike producing thunder

Answer explanation

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which type of natural disaster occurs when longitudinal waves transmit energy

through Earth's crust?

• Blizzard

• Earthquake

• Tornado

• Hurricane

Answer explanation

Which of the following best summarizes the energy transformation that takes place

during photosynthesis?

• Chemical energy --> Mechanical energy

• Mechanical energy --> Light energy

• Chemical energy --> Light energy

• Light energy --> Chemical energy

Answer explanation

Tags

NGSS.MS-LS1-6

In a coal burning power plant, the boiler is where the coal is burned to heat water and make

steam. What energy transformations happen in the boiler?

• Chemical to mechanical to electrical

• Chemical to thermal to mechanical

• Thermal to mechanical to electrical

• Thermal to electrical to nuclear

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

At which point on the rollercoaster would there be the most gravitational potential

energy?

• A

• B

• C

• D

Answer explanation

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

Below you see data from a car driving over three hills. Where in the ride would you expect to

see kinetic energy turning into potential energy?

• At the top of the first hill

• Going down the first hill

• Going up the second hill

• That never happens in this picture

Use this image and your knowledge of waves to answer the following question.

What type of waves are coming from the speakers of the music system?

• Longitudinal waves

• Transverse waves

• Seismic waves

• Radiant waves

Answer explanation

Tags

NGSS.MS-PS4-1

The person supplies the energy to the rope by shaking it up and down. Which

direction does the energy travel along the wave?

• Energy only oscillates up and down, it does not move.

• Energy moves parallel to the shaking hand.

• Energy moves perpendicular to the shaking hand.

• Energy is not transmitted by the wave.

Tags

NGSS.MS-PS4-1

The picture below shows a light bulb attached to a hand generator.

Turning the handle makes a current that causes the light bulb to glow. What are the

energy transformations that occur in this hand generator?

• Thermal --> mechanical --> light

• Thermal --> light --> electrical

• Mechanical --> electrical --> light

• Electrical --> mechanical --> light