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