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