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