A) thermal energy B) impulse C) reaction force D) mechanical Wave
A) a vacuum B) the high energy of the Sun C) the energy of distant stars D) artificial lights
A) microwaves B) ultraviolet light C) radio waves D) visible light
A) True B) False
A) transverse Wave B) vibrational wave C) thermal wave D) longitidunal wave
A) node B) interference wave C) transverse wave D) longitudinal wave
A) seismic waves B) water waves C) light waves D) sound waves
A) sound waves B) water waves
A) green B) yellow C) blue D) violet E) red
A) yellow B) blue C) violet D) green E) red
A) gamma rays B) infrared light C) ultraviolet light D) radio waves
A) x-rays B) radio waves C) gamma rays D) ultraviolet light
A) when the queen greets her subjects while cleaning B) mechanical waves C) electromagnetic waves
A) a path to lucky charms B) black light C) a gross brown colour D) white light
A) gamma rays B) radio waves C) x-rays D) ultraviolet light
A) Energy B) Vibrations C) Captured in our Ears D) All of these are correct E) Waves
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) Solids B) Gases C) Space D) Liquids
A) Sound that bounces in all directions B) A figment of your imagination C) Sound bouncing back to you off a solid object D) Sound that DOES NOT bounce back to you
A) Frequency B) Intensity C) Velocity D) Amplitude E) Hertz
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) Frequency B) Decibels C) Amplitude D) It does not have a relation E) Speed
A) 70 dB B) 100 dB C) 50 dB D) 20 dB E) 200 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) A mouse squeak to a lion's roar B) 20-20,000Hz C) 50-50,000Hz D) 0-100Hz E) 100-100,000Hz
A) a lower pitch B) a louder sound C) a softer sound D) a higher pitch
A) at right angles with the source B) parallel to the source C) all directions D) in a straight line
A) determined by how many particles move side to side B) determined by how loud it is C) determined between two consecutive crests or troughs D) determined between two consecutive compressions or rarefractions
A) infrasonic B) sonic the hedgehog C) hydrasonic D) ultrasonic
A) ultrasonic B) sonic the hedgehog C) hydrasonic D) infrasonic
A) bats B) elephants C) all of the above D) ultrasound machine
A) ultrasound machine B) all of these C) whales D) bats
A) decreases, increases B) increases, decreases C) starts, stops D) stops, restarts
A) Echo Reverberation B) Echo Detection C) No echos at all D) Echo Location
A) frequency B) amplitude C) wavelength D) hearing sensitivity
A) 40 km/h B) 10 km/h C) 3 m/s D) 340 m/s
A) rock music concert B) intense road traffic C) jet motor D) calm classroom
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