Which of the following can wave carry?, a. energy, b. matter, c. particles, d. molecules, 12. In a water wave, what is the motion of the particles?, a. left-right, b. side-side, c. up-down, d. up-down and side-side, 13. Which of the following can cause a wave?a. work, b. power, c. motion, d. vibration, 14. It is a disturbance or a vibration that transfers energy through matter or space., a vibration, b. wavelength, c. amplitude, d. wave, 15. How can you describe the equilibrium position of a rope?, a. Its equilibrium position is its initial position., b. Its equilibrium position is when it is sagging., c. Its equilibrium position is when it is fully stretched., d. Its equilibrium position is its maximum displacement., 16. Which of the following cannot be transferred by a wave?, a. matter, b. sound, c. infrared, d. radiation, 17. Which of the following is not an example of a wave?, a. rolling ball on a plane, b. water ripples in a pond, c. light from the flashlight, d. sound from the speaker, 18. In general, what do you call any matter in which sound can propagate on?, a. rope, b. string, c. matter, d. medium, 19. Which of the following cannot be a medium for waves?, a. air, b. heat, c. water, d. wood, 20. What happens to the particles in a medium once the disturbance has already passed?, a. They continue to move., b. They are carried by the wave., c. They change into a different phase.