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