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