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