A) thermal energy B) impulse C) reaction force D) mechanical Wave
A) the energy of distant stars B) a vacuum C) the high energy of the Sun D) artificial lights
A) ultraviolet light B) microwaves C) radio waves D) visible light
A) True B) False
A) longitidunal wave B) thermal wave C) vibrational wave D) transverse Wave
A) interference wave B) longitudinal wave C) node D) transverse wave
A) sound waves B) water waves C) seismic waves D) light waves
A) sound waves B) water waves
A) yellow B) green C) blue D) red E) violet
A) red B) blue C) violet D) yellow E) green
A) ultraviolet light B) gamma rays C) infrared light D) radio waves
A) radio waves B) ultraviolet light C) x-rays D) gamma 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) x-rays B) gamma rays C) ultraviolet light D) radio waves
A) Energy B) Waves C) Vibrations D) Captured in our Ears E) All of these are correct
A) There is a rainbow present in the sky. B) A moving object is emitting sound continuously. C) The waves are moving like the ripples in a pond from a rock D) The waves are really distorted in the front where the sound is and not in the back after the object moves away
A) Solids B) Space 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) Intensity B) Velocity C) Frequency D) Amplitude E) Hertz
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) Speed B) It does not have a relation C) Decibels D) Amplitude E) Frequency
A) 100 dB B) 70 dB C) 50 dB D) 200 dB E) 20 dB
A) True B) False C) The only place in space that you can hear is the moon D) You can always hear no matter where you are E) Neither
A) 0-100Hz B) 100-100,000Hz C) A mouse squeak to a lion's roar D) 50-50,000Hz E) 20-20,000Hz
A) a higher pitch B) a louder sound C) a softer sound D) a lower pitch
A) at right angles with the source B) parallel to the source C) all directions 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) hydrasonic B) ultrasonic C) sonic the hedgehog D) infrasonic
A) infrasonic B) sonic the hedgehog C) hydrasonic D) ultrasonic
A) elephants B) all of the above C) ultrasound machine D) bats
A) all of these B) ultrasound machine C) whales D) bats
A) increases, decreases B) starts, stops C) stops, restarts D) decreases, increases
A) Echo Location B) Echo Reverberation C) Echo Detection D) No echos at all
A) frequency B) hearing sensitivity C) wavelength D) amplitude
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) jet motor D) calm classroom
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