TEKS Review

The longer the inclined plane, the ___________________ to move the object

• the less input force you need

• the more input force you need

• the more output force you need

• the less output force you need

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which best describes the role friction plays in the operation of a bicycle?

• Friction makes the bike go faster.

• Friction keeps the bike from stopping.

• Friction turns the bike in a new direction.

• Friction helps the bike slow down and stop.

Tags

NGSS.MS-PS3-5

Which has the longer distance - straight lift from the ground directly to the back of truck or using an inclined plane?

• Straight lift

• Inclined plane

• They are the same

Which of these has kinetic energy?

• Book on the table

• Rock on top of a hill

• Stationary car

• Moving train

Tags

NGSS.MS-PS3-1

The kinetic energy of a moving object depends on ___.

• the color of an object

• the mass of the object

• the mass and speed of an object

• the speed of the object

Tags

NGSS.MS-PS3-1

An apple hanging from the branch of a tree falls down.  How does its energy change as it falls?

• The kinetic energy of the apple changes to potential energy.

• The potential energy of the apple changes to kinetic energy.

• The kinetic energy of the apple remains constant.

• The potential energy of the apple remains constant.

Tags

NGSS.MS-PS3-5

Which of these best represents potential energy?

• a marble rolling on flat ground

• water flowing through a pipe

• a spring pressed between two blocks

• wind moving the blades of a windmill

Tags

NGSS.MS-PS3-2

Harry used the energy stored up in his muscles to cycle up a hill.  What happened to this energy when he reached the top?

• The energy stored in Harry's muscles was destroyed when he reached the top of the hill.

• The energy used by Harry returned to his muscles when he reached the top of the hill.

• Kinetic energy changed to potential energy when Harry reached the top of the hill

• Potential energy changed to kinetic energy when Harry reached the top of the hill.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Harry is waiting on top of a water slide while Joshua slides down.  Which of these statements is NOT TRUE?

• Both Harry and Joshua have kinetic and potential energy.

• Only Joshua has kinetic energy and potential energy.

• Joshua has greater kinetic energy.

• Harry has greater potential energy.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of the following has the greatest potential energy?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-2