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