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