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