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