A) impulse B) thermal energy C) reaction force D) mechanical Wave
A) artificial lights B) the high energy of the Sun C) the energy of distant stars D) a vacuum
A) radio waves B) ultraviolet light C) visible light D) microwaves
A) False B) True
A) transverse Wave B) thermal wave C) vibrational wave D) longitidunal wave
A) node B) longitudinal wave C) interference wave D) transverse wave
A) sound waves B) water waves C) seismic waves D) light waves
A) water waves B) sound waves
A) red B) green C) violet D) yellow E) blue
A) yellow B) green C) blue D) red E) violet
A) gamma rays B) infrared light C) ultraviolet light D) radio waves
A) gamma rays B) x-rays C) radio waves D) ultraviolet light
A) electromagnetic waves B) mechanical waves C) when the queen greets her subjects while cleaning
A) black light B) a gross brown colour C) a path to lucky charms D) white light
A) radio waves B) ultraviolet light C) gamma rays D) x-rays
A) Captured in our Ears B) Energy C) Vibrations D) Waves E) All of these are correct
A) The waves are really distorted in the front where the sound is and not in the back after the object moves away B) There is a rainbow present in the sky. C) A moving object is emitting sound continuously. D) The waves are moving like the ripples in a pond from a rock
A) Liquids B) Gases C) Space D) Solids
A) Sound bouncing back to you off a solid object B) Sound that DOES NOT bounce back to you C) A figment of your imagination D) Sound that bounces in all directions
A) Frequency B) Velocity C) Intensity D) Amplitude E) Hertz
A) The unit of measure to measure tone quality B) The unit of measure used to measure frequency C) The unit of measure that is used to measure wavelength D) The unit of measure used to measure the loudness
A) Amplitude B) Frequency C) Decibels D) It does not have a relation E) Speed
A) 200 dB B) 70 dB C) 20 dB D) 50 dB E) 100 dB
A) True B) False C) You can always hear no matter where you are D) The only place in space that you can hear is the moon E) Neither
A) 50-50,000Hz B) 100-100,000Hz C) A mouse squeak to a lion's roar D) 20-20,000Hz E) 0-100Hz
A) a softer sound B) a lower pitch C) a higher pitch D) a louder sound
A) in a straight line B) parallel to the source C) at right angles with the source D) all directions
A) determined between two consecutive compressions or rarefractions B) determined by how many particles move side to side C) determined by how loud it is D) determined between two consecutive crests or troughs
A) sonic the hedgehog B) hydrasonic C) infrasonic D) ultrasonic
A) ultrasonic B) hydrasonic C) infrasonic D) sonic the hedgehog
A) all of the above B) bats C) elephants D) ultrasound machine
A) all of these B) whales C) ultrasound machine D) bats
A) increases, decreases B) starts, stops C) stops, restarts D) decreases, increases
A) Echo Reverberation B) Echo Detection C) No echos at all D) Echo Location
A) hearing sensitivity B) wavelength C) amplitude D) frequency
A) 10 km/h B) 340 m/s C) 3 m/s D) 40 km/h
A) rock music concert B) calm classroom C) jet motor D) intense road traffic
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