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