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