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