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