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