Eighth Grade Science Unit 3 Quiz 2 KE PE Transformations

1

A. thermal energy as the boulder is pushed up the hill, and kinetic energy when it rolls back down

B. kinetic energy as the boulder is pushed up the hill, and thermal energy when it rolls back down

C. chemical potential energy as the boulder is pushed up the hill, and kinetic energy when it rolls back down

D. gravitational potential energy as the boulder is pushed up the hill, and kinetic energy when it rolls back down

1

Refer to the following to answer question(s) 2, 3
Directions: The diagram below shows three positions of a marble when shot from a slingshot at a target. Use the diagram to answer any questions that follow.
Just before being released at point 1, what is true of the marble?

A. Both its potential and kinetic energies are at the minimum.

B. Both its potential and kinetic energies are at the maximum.

C. Its potential energy is at the maximum, and its kinetic energy is at the minimum.

D. Its potential energy is at the minimum, and its kinetic energy is at the maximum.

1

A. The total energy of the marble increases because the potential energy increases.

B. The total energy of the marble increases because the kinetic energy increases.

C. The kinetic energy of the marble is transformed into potential energy.

D. The potential energy of the marble is transformed into kinetic energy.

1

A. A

B. B

C. C

D. D

1

A. A

B.B

C. C

D. E