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