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