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