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