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