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