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