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