1) The distance from the resting position 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) 300,000,000m/s c) Wavelength d) Infrasound e) Hertz f) Decibels 4) A back and forth movement - vibration a) Oscillation b) Decibels c) Ultrasound d) Amplitude e) Infrasound f) Frequency 5) Particles vibrate parallel to the direction that the wave is moving a) Tranverse b) Longitudinal 6) How energy is transferred from one place to another.  a) Hertz [Hz] b) Longitudinal c) Waves d) Decibels [dB] e) Tranverse f) Frequency 7) A reflection of a sound wave.  a) Amplitude b) Hertz [Hz] c) Echo d) Ultrasound e) Decibels f) Infrasound 8) A substance through which a wave can travel.  a) Medium b) Echo c) Frequency d) Amplitude e) Vacuum f) Deep space 9) The speed of sound (in air) a) 330m/s b) 1500m/s c) 5000m/s d) 10,000m/s 10) The unit of measurement of frequency. a) Centimeters [cm] b) Hertz [Hz] c) Metres [m] d) Decibels [dB] 11) How high or low a sound is - depends on its frequency.  a) Oscillation b) Amplitude c) Pitch d) Longitudinal e) Transverse f) Volume 12) A very high frequency sound >20,000Hz a) Frequency b) Decibels [dB] c) 300,000,000m/s d) Ultrasound 13) Detects sound waves a) Eyes b) Ear c) Tongue d) Skin e) Nose 14) A thin membrane which vibrates when a sound wave is present a) Ear drum b) Pinna c) Ossicles d) Cochlea e) Auditory nerve 15) Unit for VOLUME - loudness a) Centimetres [cm] b) Decibels [dB] c) Hertz [Hz] 16) What happens to the pitch as a guitar string is tightened?  a) it gets higher b) it gets lower c) it stays the same 17) 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 18) P is...... a) loud and high pitched b) quiet and high pitched c) loud and low pitched d) quiet and low pitched 19) Q is...... a) loud and high pitched b) quiet and high pitched c) loud and low pitched d) quiet and low pitched 20) R is...... a) loud and high pitched b) quiet and high pitched c) loud and low pitched d) quiet and low pitched 21) S is...... a) loud and high pitched b) quiet and high pitched c) loud and low pitched d) quiet and low pitched 22) Big amplitude = ? a) quiet sound b) loud sound c) high pitch d) low pitch 23) Small amplitude = ? a) quiet sound b) loud sound c) high pitch d) low pitch 24) High frequency = ? a) Low pitched b) High pitched c) Loud d) Quiet 25) Can light travel through a VACUUM? a) YES b) NO 26) Can sound travel through a VACUUM? a) YES b) NO 27) What does AMPLIFY mean? a) To get quieter b) To get louder c) To get higher pitched d) To get lower pitched 28) What is the top of a sound wave known as? a) peak b) trough 29) What is the bottom of a sound wave known as? a) peak b) trough 30) How many wavelengths are here? a) 1 b) 2 c) 3 d) 4 e) 5 f) 6 31) What does an object need to do to make a SOUND? a) move back and forth - vibrate b) stay still 32) What is a HUMANS audible range? a) 10-10,000Hz b) 20-20,000Hz c) 30-30,000Hz d) 40-40,000Hz 33) Which device can be used to view patterns of sound waves? a) Periscope b) Microscope c) Binoculars d) Oscilloscope 34) In which does a SOUND WAVE travel fastest? a) SOLIDS b) LIQUIDS c) GASES d) VACUUM

Sound Waves QUIZ

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