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