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