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