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