15. If red and green lights are shining on a red apple, what happens to the red and green lights?
A. Both are absorbed. B. Both are reflected. C. Red is reflected and green is absorbed. D. Green is reflected and red is
absorbed.
16. When objects absorb light, the energy that was once travelling through the wave is absorbed into the object and
converted to heat, causing the temperature of the object to
A. fall C. stay the same B. rise D. keep still
17. White absorbs all colors while black reflects all colors.
than white ones. A. less
A. True C. False B. Maybe D. Not at all 18. Black and colored objects absorb
heat C. the same amount of heat B. more heat D. no heat
. A. white or light-colored clothes C. black clothes
19. During hot or summer days, people must wear
B. dark-colored clothes D. any color of clothes
20. Which set of objects are usually black and are more absorbent of heat?
A. carbon paper, roof, bag C. coal, tires, iron, magnet B. hair, laptop, clothes D. flower, paper, vase II.