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