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