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