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