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