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