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