A) reaction force B) mechanical Wave C) impulse D) thermal energy
A) the energy of distant stars B) a vacuum C) the high energy of the Sun D) artificial lights
A) visible light B) microwaves C) ultraviolet light D) radio waves
A) False B) True
A) thermal wave B) transverse Wave C) vibrational wave D) longitidunal wave
A) node B) interference wave C) transverse wave D) longitudinal wave
A) sound waves B) water waves C) seismic waves D) light waves
A) sound waves B) water waves
A) blue B) yellow C) red D) green E) violet
A) violet B) green C) blue D) yellow E) red
A) ultraviolet light B) radio waves C) infrared light D) gamma rays
A) x-rays B) ultraviolet light C) radio waves D) gamma rays
A) when the queen greets her subjects while cleaning B) mechanical waves C) electromagnetic waves
A) a gross brown colour B) black light C) white light D) a path to lucky charms
A) radio waves B) gamma rays C) x-rays D) ultraviolet light
A) Vibrations B) Energy C) All of these are correct D) Captured in our Ears 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) Solids B) Liquids C) Space D) Gases
A) Sound that bounces in all directions B) Sound that DOES NOT bounce back to you C) Sound bouncing back to you off a solid object D) A figment of your imagination
A) Frequency B) Intensity C) Hertz D) Velocity E) Amplitude
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) Decibels B) Frequency C) Amplitude D) Speed E) It does not have a relation
A) 50 dB B) 20 dB C) 200 dB D) 100 dB E) 70 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) A mouse squeak to a lion's roar B) 100-100,000Hz C) 50-50,000Hz D) 0-100Hz 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) at right angles with the source D) all directions
A) determined between two consecutive crests or troughs B) determined between two consecutive compressions or rarefractions C) determined by how loud it is D) determined by how many particles move side to side
A) ultrasonic B) sonic the hedgehog C) hydrasonic D) infrasonic
A) ultrasonic B) infrasonic C) hydrasonic D) sonic the hedgehog
A) ultrasound machine B) all of the above C) elephants D) bats
A) whales B) bats C) all of these D) ultrasound machine
A) stops, restarts B) increases, decreases C) decreases, increases D) starts, stops
A) Echo Detection B) Echo Reverberation C) Echo Location D) No echos at all
A) wavelength B) hearing sensitivity C) amplitude D) frequency
A) 10 km/h B) 3 m/s C) 340 m/s D) 40 km/h
A) intense road traffic B) rock music concert C) calm classroom D) jet motor
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