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