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