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