1) What do waves carry from place to place a) energy, but not matter b) matter, but not energy c) both energy and matter d) neither energy nor matter 2) How do we hear sounds? a) wind carries sound to us b) sound waves make our ear drums vibrate c) light waves signal our brains to hear sound waves d) air carries sound waves 3) What type of waves can travel through empty space? a) mechanical waves b) sound waves c) water waves d) electromagnetic waves 4) Waves that need a medium to travel through are called? a) medium waves b) mechanical waves c) Longitudinal waves d) electromagnetic waves 5) What is the highest point of a wave a) crest b) trough c) amplitude d) frequency 6) What is the lowest point of a wave? a) crest b) trough c) amplitude d) frequency 7) What is the distance between the center of a wave and its crest? a) crest b) trough c) amplitude d) frequency 8) Which of these are not electromagnetic waves a) micro waves b) sound waves c) radio waves d) x-rays 9) Where do ultraviolet waves come from? a) the moon b) the earth c) the atmosphere d) the sun 10) Reflection is... a) bouncing back and forth of light rays b) only possible with a mirror c) when light travels from our eyes to the mirror d) when light hits a smooth, shiny surface and changes directions.. 11) Refraction is... a) when light bends when passing from one substance into anothersity b) the opposite of reflection c) when a wave changes direction d) only possible when water waves pass from a deep zone over a shallow zone 12) Which is NOT a type of wave? a) Triangular b) Rainbow c) Color d) Transverse 13) True or False We see things as certain colors, because that is the color that is ABSORBED. a) True b) False 14) Sound is caused by a) ocean waves b) clapping c) vibrations d) music

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