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13,200 | NDQ_014244 | hearing sound | any of three tiny bones in the middle ear | null | null | Multiple Choice | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | g |
13,201 | NDQ_014245 | hearing sound | fluid-filled structure in the inner ear that is lined with hair cells | null | null | Multiple Choice | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | c |
13,202 | NDQ_014246 | hearing sound | The role of hearing protectors is to keep foreign objects out of the ears. | null | null | Multiple Choice | a. true, b. false | b |
13,203 | NDQ_014247 | hearing sound | tube that carries sound waves into the ear | null | null | Multiple Choice | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | b |
13,204 | NDQ_014248 | hearing sound | The eardrum is the first structure of the ear to vibrate when sound waves strike it. | null | null | Multiple Choice | a. true, b. false | a |
13,205 | NDQ_014249 | hearing sound | Waves in cochlear fluid bend the hair-like projections of hair cells. | null | null | Multiple Choice | a. true, b. false | a |
13,206 | NDQ_014250 | hearing sound | membrane in the outer ear that vibrates when sound waves strike it | null | null | Multiple Choice | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | e |
13,207 | NDQ_014251 | hearing sound | tiny structure in the inner ear that changes vibrations to nerve impulses | null | null | Multiple Choice | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | f |
13,208 | NDQ_014252 | hearing sound | part of the ear that transmits and amplifies vibrations from the eardrum | null | null | Multiple Choice | a. middle ear, b. ear canal, c. cochlea, d. pinna, e. eardrum, f. hair cell, g. ossicle | a |
13,209 | NDQ_014253 | hearing sound | The arrangement of the ossicles in the middle ear allows them to work together as a(n) | null | null | Multiple Choice | a. inclined plane., b. wedge., c. screw., d. lever. | d |
13,210 | NDQ_014254 | hearing sound | When the oval window in the ear vibrates, it causes vibrations in the | null | null | Multiple Choice | a. anvil., b. cochlea., c. hammer., d. eardrum. | b |
13,211 | NDQ_014255 | hearing sound | Which of the following ear structures is damaged by excessive exposure to loud sounds? | null | null | Multiple Choice | a. pinna, b. ossicle, c. hair cell, d. ear canal | c |
13,212 | NDQ_014256 | hearing sound | When the cochlea vibrates, it causes | null | null | Multiple Choice | a. waves to pass through the cochlear fluid., b. sound waves to increase in frequency., c. the ossicles to start vibrating faster., d. two of the above | a |
13,213 | NDQ_014257 | hearing sound | Hearing loss due to exposure to loud sounds is | null | null | Multiple Choice | a. common., b. permanent., c. preventable., d. all of the above | d |
13,214 | NDQ_014258 | hearing sound | Activities that may expose people to dangerously loud sounds include | null | null | Multiple Choice | a. lawn mowing., b. snowmobile riding., c. construction work., d. all of the above | d |
13,215 | NDQ_014259 | hearing sound | Which statement about electronic hearing protectors is true? | null | null | Multiple Choice | a. They muffle all sounds., b. They generate anti-noise sound waves., c. They send electronic signals to the brain., d. They use insulation to block sound waves. | b |
13,216 | NDQ_014267 | using sound | use of ultrasound to locate underwater objects | null | null | Multiple Choice | a. resonance, b. sonar, c. echolocation, d. ultrasound, e. pitch, f. ultrasonography | b |
13,217 | NDQ_014268 | using sound | Resonance is used in musical instruments to increase the | null | null | Multiple Choice | a. frequency of sound waves., b. amplitude of sound waves., c. wavelength of sound waves., d. two of the above | b |
13,218 | NDQ_014269 | using sound | use of ultrasound to examine structures inside the body | null | null | Multiple Choice | a. resonance, b. sonar, c. echolocation, d. ultrasound, e. pitch, f. ultrasonography | f |
13,219 | NDQ_014270 | using sound | You can raise the pitch of the sound produced by a violin string by | null | null | Multiple Choice | a. shortening the part of the string that vibrates., b. plucking instead of bowing the string., c. applying more pressure with the bow., d. none of the above | a |
13,220 | NDQ_014271 | using sound | Uses of ultrasound include | null | null | Multiple Choice | a. creating images of organs inside the body., b. making music with musical instruments., c. communicating with the human voice., d. all of the above | a |
13,221 | NDQ_014272 | using sound | sound with a frequency higher than 20,000 hertz | null | null | Multiple Choice | a. resonance, b. sonar, c. echolocation, d. ultrasound, e. pitch, f. ultrasonography | d |
13,222 | NDQ_014273 | using sound | use of ultrasound by animals to locate objects they cannot see | null | null | Multiple Choice | a. resonance, b. sonar, c. echolocation, d. ultrasound, e. pitch, f. ultrasonography | c |
13,223 | NDQ_014274 | using sound | What does sonar stand for? | null | null | Multiple Choice | a. source of naval resistance, b. source of noise and resonance, c. sound navigation and ranging, d. submarine navigation and resolution | c |
13,224 | NDQ_014275 | using sound | vibration of an object in response to sound waves of a certain frequency | null | null | Multiple Choice | a. resonance, b. sonar, c. echolocation, d. ultrasound, e. pitch, f. ultrasonography | a |
13,225 | NDQ_014276 | using sound | Increasing the amplitude of sound waves produced by a musical instrument makes the sound | null | null | Multiple Choice | a. lower., b. higher., c. softer., d. louder. | d |
13,226 | NDQ_014277 | using sound | how high or low a sound seems to a listener | null | null | Multiple Choice | a. resonance, b. sonar, c. echolocation, d. ultrasound, e. pitch, f. ultrasonography | e |
13,227 | NDQ_014280 | using sound | Basic categories of musical instruments include | null | null | Multiple Choice | a. wind instruments., b. string instruments., c. percussion instruments., d. all of the above | d |
13,228 | NDQ_014281 | using sound | You can change the pitch of a saxophone by | null | null | Multiple Choice | a. playing the instrument without a reed on the mouthpiece., b. opening or closing holes on the sides of the instrument., c. blowing harder through the instruments mouthpiece., d. none of the above | b |
13,229 | NDQ_014284 | using sound | The sound of a drum is amplified when the | null | null | Multiple Choice | a. air inside the drum vibrates., b. skin of the drum is loosened., c. sticks of the drum start to vibrate., d. size of the drum is reduced. | a |
13,230 | NDQ_014286 | using sound | All of the following instruments are wind instruments except | null | null | Multiple Choice | a. flutes., b. violins., c. trumpets., d. saxophones. | b |
13,231 | NDQ_014287 | using sound | You play a xylophone by hitting wooden bars with rubber mallets. Which type of musical instrument is a xylophone? | null | null | Multiple Choice | a. wind instrument, b. string instrument, c. percussion instrument, d. none of the above | c |
13,232 | NDQ_014288 | using sound | All musical instruments create sound by causing a reed to vibrate. | null | null | Multiple Choice | a. true, b. false | b |
13,233 | NDQ_014289 | using sound | Uses of ultrasound include | null | null | Multiple Choice | a. sonar., b. echolocation., c. ultrasonography., d. all of the above | d |
13,234 | NDQ_014290 | using sound | Smaller drums produce higher-frequency sound waves than larger drums. | null | null | Multiple Choice | a. true, b. false | a |
13,235 | NDQ_014291 | using sound | Animals that use echolocation include | null | null | Multiple Choice | a. bats., b. whales., c. dolphins., d. all of the above | d |
13,236 | NDQ_014292 | using sound | Ultrasound has frequencies lower than 20 hertz. | null | null | Multiple Choice | a. true, b. false | b |
13,237 | NDQ_014293 | using sound | Ultrasonography has been used to determine the depth of the ocean. | null | null | Multiple Choice | a. true, b. false | b |
13,238 | NDQ_014295 | using sound | Animals that use echolocation include bats and whales. | null | null | Multiple Choice | a. true, b. false | a |
13,239 | NDQ_014302 | using sound | The earliest musical instruments date back to about 1900. | null | null | Multiple Choice | a. true, b. false | b |
13,240 | NDQ_014303 | using sound | All musical instruments make sound in the same general way. | null | null | Multiple Choice | a. true, b. false | a |
13,241 | NDQ_014304 | using sound | Instruments use resonance to make sounds higher in pitch. | null | null | Multiple Choice | a. true, b. false | b |
13,242 | NDQ_014305 | using sound | A saxophone makes sound when the musician blows across a thin piece of wood. | null | null | Multiple Choice | a. true, b. false | a |
13,243 | NDQ_014306 | using sound | Some animals use reflected sound waves to locate prey. | null | null | Multiple Choice | a. true, b. false | a |
13,244 | NDQ_014307 | using sound | Sonar works on the same principle as echolocation. | null | null | Multiple Choice | a. true, b. false | a |
13,245 | NDQ_014308 | using sound | The only use of ultrasonography is to create images of unborn babies. | null | null | Multiple Choice | a. true, b. false | b |
13,246 | NDQ_014309 | electromagnetic waves | Examples of electromagnetic waves include | null | null | Multiple Choice | a. radio waves., b. light., c. X rays., d. all of the above | d |
13,247 | NDQ_014310 | electromagnetic waves | All of the following are examples of electromagnetic waves except | null | null | Multiple Choice | a. sound waves., b. microwaves., c. gamma rays., d. infrared light. | a |
13,248 | NDQ_014311 | electromagnetic waves | A vibrating electric field creates a | null | null | Multiple Choice | a. mechanical wave., b. charged particle., c. magnetic field., d. photon. | c |
13,249 | NDQ_014312 | electromagnetic waves | An electromagnetic wave begins when a(n) | null | null | Multiple Choice | a. atom loses an electron., b. magnet is connected to a battery., c. charged particle vibrates., d. electron is magnetized. | c |
13,250 | NDQ_014313 | electromagnetic waves | As an electromagnetic wave travels through space, it | null | null | Multiple Choice | a. becomes stronger., b. keeps changing direction., c. loses energy to the medium., d. spreads out over a larger area. | d |
13,251 | NDQ_014314 | electromagnetic waves | Which of the following waves does not require a medium? | null | null | Multiple Choice | a. ocean waves, b. earthquake waves, c. sound waves, d. radio waves | d |
13,252 | NDQ_014315 | electromagnetic waves | Most of the electromagnetic radiation on Earth comes from | null | null | Multiple Choice | a. the sun., b. radio towers., c. X ray machines., d. microwave ovens. | a |
13,253 | NDQ_014316 | electromagnetic waves | When electromagnetic waves strike matter, they may | null | null | Multiple Choice | a. reflect., b. refract., c. diffract., d. all of the above | d |
13,254 | NDQ_014317 | electromagnetic waves | Which of the following statements about electromagnetic radiation is false? | null | null | Multiple Choice | a. It provides virtually all the energy for life on Earth., b. It behaves like a wave most of the time., c. Sometimes it behaves like a particle., d. All of its wavelengths are harmful. | d |
13,255 | NDQ_014318 | electromagnetic waves | Uses of electromagnetic radiation include | null | null | Multiple Choice | a. cooking., b. communications., c. medicine., d. all of the above | d |
13,256 | NDQ_014320 | electromagnetic waves | What do radio waves and sound waves have in common? | null | null | Multiple Choice | a. Both waves are transverse waves., b. Both waves are mechanical waves., c. Both waves transfer energy., d. Both waves need a medium. | c |
13,257 | NDQ_014321 | electromagnetic waves | An electromagnetic wave consists of a vibrating | null | null | Multiple Choice | a. magnetic field., b. electric field., c. particle of matter., d. two of the above | d |
13,258 | NDQ_014323 | electromagnetic waves | When a charged particle vibrates, it causes the electric field around it to vibrate. | null | null | Multiple Choice | a. true, b. false | a |
13,259 | NDQ_014326 | electromagnetic waves | The two fields of an electromagnetic wave occur at right angles to each other. | null | null | Multiple Choice | a. true, b. false | a |
13,260 | NDQ_014328 | electromagnetic waves | Both fields of an electromagnetic wave vibrate in the same direction that the wave travels. | null | null | Multiple Choice | a. true, b. false | b |
13,261 | NDQ_014329 | electromagnetic waves | The wave-particle theory explains the difference between electromagnetic and mechanical waves. | null | null | Multiple Choice | a. true, b. false | b |
13,262 | NDQ_014330 | electromagnetic waves | Electromagnetic waves cannot travel through matter. | null | null | Multiple Choice | a. true, b. false | b |
13,263 | NDQ_014331 | electromagnetic waves | A vibrating electric field generates a charged particle. | null | null | Multiple Choice | a. true, b. false | b |
13,264 | NDQ_014332 | electromagnetic waves | Electromagnetic waves may spread out and travel around obstacles. | null | null | Multiple Choice | a. true, b. false | a |
13,265 | NDQ_014333 | electromagnetic waves | When electrons return to lower energy levels, they give off particles of matter. | null | null | Multiple Choice | a. true, b. false | b |
13,266 | NDQ_014334 | electromagnetic waves | All electromagnetic radiation is dangerous except for light. | null | null | Multiple Choice | a. true, b. false | b |
13,267 | NDQ_014335 | electromagnetic waves | Electromagnetic waves are used for communications, cooking, and medicine. | null | null | Multiple Choice | a. true, b. false | a |
13,268 | NDQ_014336 | electromagnetic waves | Electromagnetic radiation provides the energy that plants need for photosynthesis. | null | null | Multiple Choice | a. true, b. false | a |
13,269 | NDQ_014337 | electromagnetic waves | An electromagnetic wave gains energy as it travels across space. | null | null | Multiple Choice | a. true, b. false | b |
13,270 | NDQ_014338 | electromagnetic waves | The human eye can detect all frequencies of electromagnetic waves. | null | null | Multiple Choice | a. true, b. false | b |
13,271 | NDQ_014339 | electromagnetic waves | All of the suns electromagnetic radiation travels to Earth. | null | null | Multiple Choice | a. true, b. false | b |
13,272 | NDQ_014340 | electromagnetic waves | Einstein explained how light can behave both as a wave and as a particle. | null | null | Multiple Choice | a. true, b. false | a |
13,273 | NDQ_014341 | electromagnetic waves | transfer of energy by waves such as radio waves and light | null | null | Multiple Choice | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | e |
13,274 | NDQ_014342 | electromagnetic waves | explanation for how light can behave as both a wave and a particle | null | null | Multiple Choice | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | f |
13,275 | NDQ_014343 | electromagnetic waves | invisible area of force surrounding a charged particle | null | null | Multiple Choice | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | g |
13,276 | NDQ_014344 | electromagnetic waves | wave in which vibrations occur at right angles to the direction the wave travels | null | null | Multiple Choice | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | d |
13,277 | NDQ_014345 | electromagnetic waves | packet of electromagnetic energy | null | null | Multiple Choice | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | a |
13,278 | NDQ_014346 | electromagnetic waves | wave that consists of vibrating electric and magnetic fields | null | null | Multiple Choice | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | b |
13,279 | NDQ_014347 | electromagnetic waves | invisible area of force surrounding a magnet | null | null | Multiple Choice | a. photon, b. electromagnetic wave, c. magnetic field, d. transverse wave, e. electromagnetic radiation, f. wave-particle theory, g. electric field | c |
13,280 | NDQ_014356 | properties of electromagnetic waves | How long does it take electromagnetic radiation to reach Earth from the sun? | null | null | Multiple Choice | a. 1 second, b. 7.5 seconds, c. 8 minutes, d. 93 minutes | c |
13,281 | NDQ_014358 | properties of electromagnetic waves | What happens to light when it passes from water to air? | null | null | Multiple Choice | a. Its speed decreases., b. Its frequency increases., c. Its wavelength decreases., d. none of the above | d |
13,282 | NDQ_014359 | properties of electromagnetic waves | If the frequency of an electromagnetic wave is 6.0 108 hertz, what is its wavelength? | null | null | Multiple Choice | a. 0.5 m, b. 1.0 m, c. 1.5 m, d. 2.0 m | a |
13,283 | NDQ_014362 | properties of electromagnetic waves | Electromagnetic waves with the lowest frequencies may have wavelengths as long as | null | null | Multiple Choice | a. many kilometers., b. a few meters., c. a couple of centimeters., d. a fraction of a millimeter. | a |
13,284 | NDQ_014364 | properties of electromagnetic waves | Which statement about electromagnetic waves is true? | null | null | Multiple Choice | a. An electromagnetic wave with a shorter wavelength has a lower frequency., b. All electromagnetic waves travel at the same speed across space., c. All electromagnetic waves are harmful., d. none of the above | b |
13,285 | NDQ_014368 | properties of electromagnetic waves | Some electromagnetic waves are extremely harmful. | null | null | Multiple Choice | a. true, b. false | a |
13,286 | NDQ_014371 | properties of electromagnetic waves | All electromagnetic waves travel at the same speed across space. | null | null | Multiple Choice | a. true, b. false | a |
13,287 | NDQ_014373 | properties of electromagnetic waves | It takes electromagnetic radiation 93 minutes to reach Earth from the sun. | null | null | Multiple Choice | a. true, b. false | b |
13,288 | NDQ_014374 | properties of electromagnetic waves | All electromagnetic waves have the same wavelength. | null | null | Multiple Choice | a. true, b. false | b |
13,289 | NDQ_014375 | properties of electromagnetic waves | Electromagnetic waves travel more quickly through a medium than they do across space. | null | null | Multiple Choice | a. true, b. false | b |
13,290 | NDQ_014376 | properties of electromagnetic waves | The frequencies of electromagnetic waves range from 1 to 100 hertz. | null | null | Multiple Choice | a. true, b. false | b |
13,291 | NDQ_014377 | properties of electromagnetic waves | The highest-frequency electromagnetic waves may have frequencies of trillions of hertz. | null | null | Multiple Choice | a. true, b. false | a |
13,292 | NDQ_014378 | properties of electromagnetic waves | The frequency of an electromagnetic wave is inversely related to its wavelength. | null | null | Multiple Choice | a. true, b. false | a |
13,293 | NDQ_014379 | properties of electromagnetic waves | Light is diffracted when it passes from air to water at an angle. | null | null | Multiple Choice | a. true, b. false | b |
13,294 | NDQ_014380 | properties of electromagnetic waves | Light has a faster speed across space than do any other wavelengths of electromagnetic radiation. | null | null | Multiple Choice | a. true, b. false | b |
13,295 | NDQ_014381 | properties of electromagnetic waves | Electromagnetic waves travel at the same speed in all media. | null | null | Multiple Choice | a. true, b. false | b |
13,296 | NDQ_014382 | properties of electromagnetic waves | If you know only the wavelength of an electromagnetic wave, you can calculate its frequency. | null | null | Multiple Choice | a. true, b. false | a |
13,297 | NDQ_014383 | properties of electromagnetic waves | distance between corresponding points of adjacent waves | null | null | Multiple Choice | a. speed of light, b. wavelength, c. wave frequency, d. wave speed, e. light, f. medium | b |
13,298 | NDQ_014384 | properties of electromagnetic waves | fastest known speed in the universe | null | null | Multiple Choice | a. speed of light, b. wavelength, c. wave frequency, d. wave speed, e. light, f. medium | a |
13,299 | NDQ_014385 | properties of electromagnetic waves | matter through which an electromagnetic wave may travel | null | null | Multiple Choice | a. speed of light, b. wavelength, c. wave frequency, d. wave speed, e. light, f. medium | f |
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