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