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