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