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