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