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