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