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