A) thermal energy B) mechanical Wave C) reaction force D) impulse
A) artificial lights B) a vacuum C) the energy of distant stars D) the high energy of the Sun
A) ultraviolet light B) microwaves C) visible light D) radio waves
A) True B) False
A) longitidunal wave B) transverse Wave C) vibrational wave D) thermal wave
A) node B) longitudinal wave C) interference wave D) transverse wave
A) water waves B) light waves C) seismic waves D) sound waves
A) sound waves B) water waves
A) violet B) green C) red D) blue E) yellow
A) green B) blue C) red D) violet E) yellow
A) infrared light B) radio waves C) ultraviolet light D) gamma rays
A) gamma rays B) x-rays C) radio waves D) ultraviolet light
A) mechanical waves B) when the queen greets her subjects while cleaning C) electromagnetic waves
A) a gross brown colour B) black light C) white light D) a path to lucky charms
A) ultraviolet light B) x-rays C) radio waves D) gamma rays
A) All of these are correct B) Captured in our Ears C) Energy D) Vibrations E) Waves
A) There is a rainbow present in the sky. B) The waves are really distorted in the front where the sound is and not in the back after the object moves away C) A moving object is emitting sound continuously. D) The waves are moving like the ripples in a pond from a rock
A) Space B) Solids C) Liquids D) Gases
A) Sound that bounces in all directions B) Sound that DOES NOT bounce back to you C) A figment of your imagination D) Sound bouncing back to you off a solid object
A) Amplitude B) Intensity C) Hertz D) Frequency E) Velocity
A) The unit of measure that is used to measure wavelength B) The unit of measure to measure tone quality C) The unit of measure used to measure the loudness D) The unit of measure used to measure frequency
A) Amplitude B) Speed C) It does not have a relation D) Decibels E) Frequency
A) 70 dB B) 200 dB C) 50 dB D) 100 dB E) 20 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) 20-20,000Hz B) 100-100,000Hz C) A mouse squeak to a lion's roar D) 0-100Hz E) 50-50,000Hz
A) a louder sound B) a higher pitch C) a softer sound D) a lower pitch
A) parallel to the source B) in a straight line 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 between two consecutive crests or troughs D) determined by how loud it is
A) infrasonic B) ultrasonic C) sonic the hedgehog D) hydrasonic
A) hydrasonic B) infrasonic C) ultrasonic D) sonic the hedgehog
A) bats B) all of the above C) elephants D) ultrasound machine
A) bats B) all of these C) ultrasound machine D) whales
A) stops, restarts B) starts, stops C) increases, decreases D) decreases, increases
A) Echo Location B) No echos at all C) Echo Detection D) Echo Reverberation
A) hearing sensitivity B) frequency C) amplitude D) wavelength
A) 3 m/s B) 340 m/s C) 40 km/h D) 10 km/h
A) intense road traffic B) jet motor C) calm classroom D) rock music concert
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