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