Inertia B. Law of Acce 4. Which is the best example of gravity? A. A car hits a tree, and its motion stops C. A book is pushed, and it moves across the table B. A breeze blows, and a sailboat moves D. A person drops a ball, and it falls to the ground D. Electricity 5. A roller coaster climbing the first hill is an example of A. building kinetic energy. B. building potential energy. C. gravitational forces. D. nuclear energy. 6. Which medium will sound travels the fastest? A. Solid B. Liquid C. Gas D. Vacuum 7. Which of the following is TRUE about the effect of temperature to the rate of how sound travelse A. Temperature increases the speed of sound. B. Temperature decreases the speed of sound. C. Warmer particles move at a slower rate. D. Warmer particles move at a constant rate. 8. An object that does not vibrate cannot produce what? A. Sound B. Light C. Heat 9. Which happens to sound when temperature decreases? As temperature decreases: A. articles vibrate quickly, sound travels fast. B. particles vibrate slowly, sound travels slow. C. As the temperature decreases, particles vibrate slowly, sound travels fast. D. As the temperature decreases, particles vibrate quickly, sound travels slow 10. Which of the following factors greatly affects the pitch of a sound? A. the amplitude of a sound wave C. the frequency of a sound wave B. the distance of a sound wave D. the loudness of a sound wave 11. Which of the following wavelength order of visible light are from shortest to longest? A. BIV G ROY C. ROY G BIV B. GIV R YOB D. VIB G YOR 12. Light is composed of different frequencies and wavelengths. Which among the colors of white light has the shortest wavelength and highest frequency? A. Blue C. Violet B. Indigo D. Green 13. Which of the following is TRUE about the colors of light? A. The shorter the wavelength, the lesser the energy. B. The lower the wavelength, the lesser the refractive index. C. The longer the wavelength, the greater the energy. D. The higher the wavelength, the lesser the refractive index. 14. As a ray of white light passes through a prism, dispersion occurs. Which among the color of the visible spectrum refracted the MOST? A. Yellow C. Green B. Red D. Violet 15. What happens to the light particles when light hits an uneven surface? A. They are reflected off in a straight line. B. They are scattered in many directions. C. They are absorbed by the surface D. They pass through the surface 16. Which of the following formula CORRECTLY represents the relationship of current, voltage and resistance? A. V= IR B. = V/R C. V=1/R D. R= VA​