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