1. If you exert a force on an object in the direction opposite to its motion, the kinetic energy of the object ___________.

Select one:

a. remains constant
b. increases
c. is zero
d. decreases

2. Sound waves are _______ waves.

Select one:

a. Compressional
b. Electromagnetic
c. Surface
d. Transverse

3. Which of the following statements is NOT true about electromagnetic waves?

Select one:

a. They need a medium to transport their energy.
b. Light is an example of this type of wave.
c. They are waves produced by the vibration of charged particles.
d. They can travel through a vacuum.

4. Which of the following is NOT an example of a mechanical wave?

Select one:

a. ocean wave
b. slinky wave
c. sound wave
d. light wave

5. A _______ wave is a wave in which the particles have a circular motion.

Select one:

a. compressional
b. longitudinal
c. surface
d. transverse

6. Ocean waves transport water.

Select one:

a. True
b. False

7. Light waves are ______ waves.

Select one:

a. Compressional
b. Electromagnetic
c. Longitudinal
d. Mechanical

8. Select as many statements below that correctly describe waves. (can select more than one correct response)

Select one or more:

a. A wave is a disturbance.
b. Waves can travel through a medium.
c. Waves can transport energy.
d. Waves can transport matter.