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