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