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