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