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