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