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