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