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