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