A) impulse B) reaction force C) mechanical Wave D) thermal energy
A) the energy of distant stars B) a vacuum C) artificial lights D) the high energy of the Sun
A) visible light B) ultraviolet light C) microwaves D) radio waves
A) False B) True
A) thermal wave B) transverse Wave C) vibrational wave D) longitidunal wave
A) interference wave B) transverse wave C) longitudinal wave D) node
A) light waves B) water waves C) seismic waves D) sound waves
A) sound waves B) water waves
A) blue B) green C) yellow D) red E) violet
A) green B) blue C) yellow D) red E) violet
A) gamma rays B) ultraviolet light C) radio waves D) infrared light
A) gamma rays B) ultraviolet light C) radio waves D) x-rays
A) mechanical waves B) when the queen greets her subjects while cleaning C) electromagnetic waves
A) white light B) a path to lucky charms C) a gross brown colour D) black light
A) x-rays B) ultraviolet light C) gamma rays D) radio waves
A) All of these are correct B) Vibrations C) Captured in our Ears D) Waves 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) The waves are moving like the ripples in a pond from a rock C) A moving object is emitting sound continuously. D) There is a rainbow present in the sky.
A) Gases B) Space C) Liquids D) Solids
A) A figment of your imagination B) Sound that bounces in all directions C) Sound that DOES NOT bounce back to you D) Sound bouncing back to you off a solid object
A) Intensity B) Amplitude C) Frequency D) Velocity E) Hertz
A) The unit of measure to measure tone quality B) The unit of measure that is used to measure wavelength C) The unit of measure used to measure the loudness D) The unit of measure used to measure frequency
A) Amplitude B) Decibels C) Frequency D) It does not have a relation E) Speed
A) 70 dB B) 200 dB C) 100 dB D) 20 dB E) 50 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) False E) Neither
A) A mouse squeak to a lion's roar B) 50-50,000Hz C) 0-100Hz D) 20-20,000Hz E) 100-100,000Hz
A) a lower pitch B) a louder sound C) a softer sound D) a higher pitch
A) parallel to the source B) in a straight line C) at right angles with the source D) all directions
A) determined between two consecutive crests or troughs B) determined by how loud it is C) determined between two consecutive compressions or rarefractions D) determined by how many particles move side to side
A) ultrasonic B) infrasonic C) sonic the hedgehog D) hydrasonic
A) infrasonic B) ultrasonic C) hydrasonic D) sonic the hedgehog
A) elephants B) bats 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) amplitude B) hearing sensitivity C) wavelength D) frequency
A) 40 km/h B) 340 m/s C) 10 km/h D) 3 m/s
A) rock music concert B) jet motor C) calm classroom D) intense road traffic
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