1) What is the Earth's primary (main) source of light? a) fire b) sun c) stars 2) Why can't we see around corners? a) Light travels in waves. b) Light travels too slowly. c) Light travels in straight lines. 3) When light strikes an object it can be reflected, _______________, or absorbed. a) refracted b) retained c) released 4) An apple looks red because it reflects red light and ___________ the other colors. a) refracts b) absorbs c) bounces back 5) The two types of energy we get from the sun are ____________ and ______________. a) light and electrical b) heat and mechanical c) sound and light d) light and heat 6) Sounds are caused by _____________. a) noises b) voices c) vibrations 7) Sound travels through the air in ___________. a) lines b) waves c) groups 8) What units do we use to measure loudness of sound? a) decibels b) degrees c) volume 9) When you can not see light through an object, that object is.... a) Transparent b) Opaque c) Translucent 10) Which object produces a high pitched sound? a) a growling bear b) a whistle c) thunder rumbling

Light and Sound Quiz!

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