A) mechanical Wave B) thermal energy C) reaction force D) impulse
A) the energy of distant stars B) artificial lights C) a vacuum D) the high energy of the Sun
A) radio waves B) visible light C) ultraviolet light D) microwaves
A) True B) False
A) vibrational wave B) longitidunal wave C) transverse Wave D) thermal wave
A) transverse wave B) interference wave C) longitudinal wave D) node
A) water waves B) seismic waves C) light waves D) sound waves
A) water waves B) sound waves
A) green B) violet C) yellow D) red E) blue
A) red B) green C) blue D) yellow E) violet
A) gamma rays B) radio waves C) ultraviolet light D) infrared light
A) radio waves B) gamma rays C) x-rays D) ultraviolet light
A) when the queen greets her subjects while cleaning B) mechanical waves C) electromagnetic waves
A) white light B) a path to lucky charms C) a gross brown colour D) black light
A) ultraviolet light B) gamma rays C) radio waves D) x-rays
A) All of these are correct B) Captured in our Ears C) Energy D) Vibrations E) Waves
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) A moving object is emitting sound continuously. D) There is a rainbow present in the sky.
A) Gases B) Space C) Solids D) Liquids
A) Sound that DOES NOT bounce back to you B) Sound that bounces in all directions C) A figment of your imagination D) Sound bouncing back to you off a solid object
A) Hertz B) Velocity C) Frequency D) Amplitude E) Intensity
A) The unit of measure to measure tone quality B) The unit of measure used to measure the loudness C) The unit of measure used to measure frequency D) The unit of measure that is used to measure wavelength
A) Amplitude B) Frequency C) Decibels D) Speed E) It does not have a relation
A) 50 dB B) 70 dB C) 100 dB D) 200 dB E) 20 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) 20-20,000Hz B) 100-100,000Hz C) A mouse squeak to a lion's roar D) 50-50,000Hz E) 0-100Hz
A) a louder sound B) a higher pitch C) a lower pitch D) a softer sound
A) all directions B) in a straight line C) parallel to the source D) at right angles with the source
A) determined by how many particles move side to side B) determined between two consecutive compressions or rarefractions C) determined between two consecutive crests or troughs D) determined by how loud it is
A) ultrasonic B) hydrasonic C) sonic the hedgehog D) infrasonic
A) ultrasonic B) hydrasonic C) infrasonic D) sonic the hedgehog
A) elephants B) bats C) ultrasound machine D) all of the above
A) whales B) all of these C) ultrasound machine D) bats
A) increases, decreases B) decreases, increases C) starts, stops D) stops, restarts
A) Echo Reverberation B) No echos at all C) Echo Detection D) Echo Location
A) amplitude B) wavelength C) frequency D) hearing sensitivity
A) 40 km/h B) 340 m/s C) 3 m/s D) 10 km/h
A) calm classroom B) rock music concert C) jet motor D) intense road traffic
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