A) impulse B) mechanical Wave C) reaction force D) thermal energy
A) artificial lights B) the energy of distant stars C) a vacuum D) the high energy of the Sun
A) radio waves B) microwaves C) visible light D) ultraviolet light
A) True B) False
A) vibrational wave B) transverse Wave C) longitidunal wave D) thermal wave
A) interference wave B) node C) transverse wave D) longitudinal wave
A) light waves B) water waves C) sound waves D) seismic waves
A) water waves B) sound waves
A) yellow B) violet C) red D) blue E) green
A) violet B) green C) yellow D) blue E) red
A) radio waves B) infrared light C) ultraviolet light D) gamma rays
A) radio waves B) gamma rays C) ultraviolet light D) x-rays
A) electromagnetic waves B) mechanical waves C) when the queen greets her subjects while cleaning
A) white light B) black light C) a path to lucky charms D) a gross brown colour
A) ultraviolet light B) x-rays C) radio waves D) gamma rays
A) Vibrations B) Energy C) Captured in our Ears D) All of these are correct E) Waves
A) A moving object is emitting sound continuously. B) There is a rainbow present in the sky. 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) Space B) Gases C) Solids D) Liquids
A) Sound bouncing back to you off a solid object B) Sound that bounces in all directions C) Sound that DOES NOT bounce back to you D) A figment of your imagination
A) Hertz B) Amplitude C) Velocity D) Frequency E) Intensity
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) Speed B) Frequency C) Decibels D) It does not have a relation E) Amplitude
A) 200 dB B) 100 dB C) 70 dB D) 50 dB E) 20 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) 50-50,000Hz B) A mouse squeak to a lion's roar C) 0-100Hz D) 100-100,000Hz E) 20-20,000Hz
A) a higher pitch B) a lower pitch C) a softer sound D) a louder sound
A) parallel to the source B) in a straight line C) all directions D) at right angles with the source
A) determined between two consecutive compressions or rarefractions B) determined by how many particles move side to side C) determined by how loud it is D) determined between two consecutive crests or troughs
A) hydrasonic B) infrasonic C) sonic the hedgehog D) ultrasonic
A) sonic the hedgehog B) ultrasonic C) hydrasonic D) infrasonic
A) elephants B) ultrasound machine C) all of the above D) bats
A) bats B) all of these C) ultrasound machine D) whales
A) stops, restarts B) decreases, increases C) starts, stops D) increases, decreases
A) No echos at all B) Echo Reverberation C) Echo Detection D) Echo Location
A) wavelength B) hearing sensitivity C) amplitude D) frequency
A) 40 km/h B) 10 km/h C) 3 m/s D) 340 m/s
A) rock music concert B) calm classroom C) jet motor D) intense road traffic
|