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