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