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