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