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