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