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