1) The distance from the middle to the top of a wave a) Wave b) Frequency c) Amplitude d) Crest e) Trough 2) The number of waves that go past a particular point per second a) Waves b) Frequency c) Amplitude d) Ultrasound e) Loudness f) Pitch 3) The distance from one point on a wave to the same point on the next wave. a) Frequency b) Decibels c) Wavelength d) Hertz 4) A back and forth movement - vibration a) Oscillation b) Decibels c) Ultrasound d) Amplitude e) Infrasound f) Frequency 5) How energy is transferred from one place to another.  a) Hertz [Hz] b) Longitudinal c) Waves d) Decibels [dB] e) Tranverse f) Frequency 6) A substance through which a wave can travel.  a) Medium b) Echo c) Frequency d) Amplitude e) Vacuum f) Deep space 7) How high or low a sound is - depends on its frequency.  a) Oscillation b) Amplitude c) Pitch d) Longitudinal e) Transverse f) Volume 8) Detects sound waves a) Eyes b) Ear c) Tongue d) Skin e) Nose 9) What happens to the pitch is a guitar string is tightened?  a) it gets higher b) it gets lower c) it stays the same 10) What happens to the FREQUENCY as the strings are tighten on an instrument?  a) It decreases and vibrate slower b) It increases and vibrates faster c) It stays the same - no change in vibration 11) Big amplitude = ? a) quiet sound b) loud sound c) high pitch d) low pitch 12) Small amplitude = ? a) quiet sound b) loud sound c) high pitch d) low pitch 13) High frequency = ? a) Low pitched b) High pitched c) Loud d) Quiet 14) Can sound travel through a VACUUM? a) YES b) NO 15) What does AMPLIFY mean? a) To get quieter b) To get louder c) To get higher pitched d) To get lower pitched 16) What is the top of a sound wave known as? a) peak/crest b) trough 17) What is the bottom of a sound wave known as? a) peak b) trough 18) How many wavelengths are here? a) 1 b) 2 c) 3 d) 4 e) 5 f) 6 19) What does an object need to do to make a SOUND? a) move back and forth - vibrate b) stay still 20) Which device can be used to view patterns of sound waves? a) Periscope b) Microscope c) Binoculars d) Oscilloscope 21) When a sound wave passes through a medium, what does it cause the particles to do? a) freezes b) invincible c) vibrate d) changes colour e) disappear f) bounces 22) The loudness of sound is determined by what aspect of the wave? a) pitch b) frequency c) loudness d) wave e) Amplitude f) volume 23) What does the frequency of a sound wave determine? a) Amplitude b) colour c) speed d) distance e) amplitude f) Pitch 24) What kind of wave is a sound wave? a) Longitudinal b) Transverse c) Electrical

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