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