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