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