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