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