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