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