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