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