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