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