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