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