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