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