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