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