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