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