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