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