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