Potential and Kinetic Energy

Choose the statements that describe where a basketball has kinetic energy.

• sitting on the floor

• going through the basket

• lying on the bench

• bouncing on the floor

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Simon and Alvin rolled two bowling balls of the same size and mass across different surfaces. One bowling ball was rolled across a carpeted library floor, while the other bowling ball was rolled across a tile classroom floor.  The students observed that ______caused the bowling ball rolled across the carpeted floor to come to a faster stop. 

• air resistance

• friction

• gravity

• speed

Tags

NGSS.MS-PS3-5

Which statements BEST describe the motion of a bike after the driver takes his or her foot off the pedals?

• The bike immediately stops because of gravity.

• The bike immediately stops because of friction.

• The bike gradually stops because of friction.

• The bike gradually stops because of gravity.

Which one is potential energy?

• A.

  a ball in someone's hands

• B.

  a ball sailing through the air

• C.

  a ball deflating

• D.

  a ball bouncing on the court

Tags

NGSS.MS-PS3-2

Which of the pictures illustrates elastic potential energy?

• unlit candle

• bowling ball sitting on the top of a ramp

• book sitting on the edge of a table

• rubber band stretched out

Tags

NGSS.MS-PS3-2

The cart's upward acceleration will be zero at _____. 

• A

• B

• C

• D

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which observations BEST describe kinetic energy in the demonstration?

• The runners have the greatest amount of kinetic energy during the race.

• The runners have the greatest amount of kinetic energy after they complete the race.

• The more speed the runners have, the more kinetic energy they have.

• The runners have the lowest amount of kinetic energy during the race.

Tags

NGSS.MS-PS3-1

I am kinetic energy

• marbles sitting at the top of a ramp

• a batter standing in position to bat a ball

• bowling pins sitting at the end of the lane

• a bowling ball striking pins at the end of the lane

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Types of elastic potential energy

• stretched out spring

• candy bar

• unlit candle

• runner crossing the finish line

Tags

NGSS.MS-PS3-2

Chemical Potential energy

• candy bar

• roller coaster

• stretched out rubber band

• unlit candle

Tags

NGSS.MS-PS3-2