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