1) 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 2) Sound is caused by a) ocean waves b) clapping c) vibrations d) music 3) Sound waves and beach waves are a) mechanical b) electromagnetic 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 type of waves can travel through empty space? a) mechanical waves b) sound waves c) water waves d) electromagnetic waves 6) 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 7) What is the highest point of a wave a) crest b) trough c) amplitude d) frequency 8) What is the lowest point of a wave? a) crest b) trough c) amplitude d) frequency 9) What is the distance between the center of a wave and its crest? a) crest b) trough c) amplitude d) frequency 10) Which of these are not electromagnetic waves a) micro waves b) sound waves c) radio waves d) x-rays 11) Where do ultraviolet waves come from? a) the moon b) the earth c) the atmosphere d) the sun

Waves Review

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