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