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