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