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