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