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