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