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