Multiple Choice. Write the letter of the best answer on your answer sheet.

1. What is the energy of a car going fast midway down a hill?
A. entirely potential
B. entirely kinetic
C. entirely gravitational
D. both kinetic and potential

2. As the cars of a rollercoaster race down a hill, energy transformation takes place. Which of the following is true?
A. Some energy is destroyed as the car slows down.
B. Kinetic energy is stored in the cars as they move downhill.
C. The kinetic energy of the cars is equal to the potential energy of the cars.
D. Some potential energy is transformed into kinetic energy and other forms of energy.

3. Which event does NOT describe potential energy being changed into kinetic energy?
A. A toy cart rolling down a hill.
B. A student lets go a stretched slinky
C. A twig falling from a branch
D. A rubber foam being compressed.

4. Which event illustrates the direct transformation of potential to kinetic energy?
A. A sleeping cow stirs awake.
B. The spring of a broken toy shoots up.
C. The wide-open spring door closes slowly.
D. A volleyball player blocks an incoming ball.

5. As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? A. Both the potential energy and kinetic energy decrease.
B. The kinetic energy decreases while the potential energy increases.
C. The potential energy decreases while the kinetic energy increases.
D. Both the potential energy and kinetic energy increase.​