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