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