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