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