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