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