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