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