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