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