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