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