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