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