A) impulse B) reaction force C) thermal energy D) mechanical Wave
A) artificial lights B) a vacuum C) the high energy of the Sun D) the energy of distant stars
A) microwaves B) radio waves C) visible light D) ultraviolet light
A) False B) True
A) vibrational wave B) transverse Wave C) thermal wave D) longitidunal wave
A) interference wave B) node C) transverse wave D) longitudinal wave
A) seismic waves B) water waves C) light waves D) sound waves
A) water waves B) sound waves
A) blue B) yellow C) red D) green E) violet
A) green B) violet C) red D) yellow E) blue
A) radio waves B) infrared light C) ultraviolet light D) gamma rays
A) ultraviolet light B) x-rays C) gamma rays D) radio waves
A) when the queen greets her subjects while cleaning B) electromagnetic waves C) mechanical waves
A) white light B) a path to lucky charms C) a gross brown colour D) black light
A) gamma rays B) x-rays C) ultraviolet light D) radio waves
A) All of these are correct B) Waves C) Energy D) Captured in our Ears E) Vibrations
A) The waves are really distorted in the front where the sound is and not in the back after the object moves away B) The waves are moving like the ripples in a pond from a rock C) A moving object is emitting sound continuously. D) There is a rainbow present in the sky.
A) Space B) Solids C) Liquids D) Gases
A) Sound that DOES NOT bounce back to you B) Sound bouncing back to you off a solid object C) Sound that bounces in all directions D) A figment of your imagination
A) Velocity B) Frequency C) Intensity D) Hertz E) Amplitude
A) The unit of measure that is used to measure wavelength B) The unit of measure used to measure the loudness C) The unit of measure to measure tone quality D) The unit of measure used to measure frequency
A) It does not have a relation B) Speed C) Frequency D) Amplitude E) Decibels
A) 50 dB B) 70 dB C) 200 dB D) 20 dB E) 100 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) 20-20,000Hz B) 100-100,000Hz C) A mouse squeak to a lion's roar D) 0-100Hz E) 50-50,000Hz
A) a louder sound B) a softer sound C) a lower pitch D) a higher pitch
A) parallel to the source B) all directions C) at right angles with the source D) in a straight line
A) determined by how loud it is B) determined by how many particles move side to side C) determined between two consecutive compressions or rarefractions D) determined between two consecutive crests or troughs
A) hydrasonic B) infrasonic C) ultrasonic D) sonic the hedgehog
A) ultrasonic B) infrasonic C) sonic the hedgehog D) hydrasonic
A) all of the above B) bats C) ultrasound machine D) elephants
A) all of these B) bats C) ultrasound machine D) whales
A) stops, restarts B) starts, stops C) decreases, increases D) increases, decreases
A) No echos at all B) Echo Location C) Echo Detection D) Echo Reverberation
A) amplitude B) hearing sensitivity C) wavelength D) frequency
A) 3 m/s B) 10 km/h C) 340 m/s D) 40 km/h
A) rock music concert B) intense road traffic C) calm classroom D) jet motor
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