Earth - Exam
A) Crust B) Outer core C) Mantle D) Inner core
A) Mars B) Saturn C) Jupiter D) Venus
A) 85% B) 50% C) 33% D) 71%
A) Stratosphere B) Troposphere C) Mesosphere D) Thermosphere
A) Makalu B) Mount Everest C) K2 D) Lhotse
A) Nitrogen B) Oxygen C) Carbon dioxide D) Argon
A) Respiration B) Fermentation C) Photosynthesis D) Evaporation
A) Indian Ocean B) Pacific Ocean C) Atlantic Ocean D) Southern Ocean
A) Marie Curie B) Isaac Newton C) Alfred Wegener D) Charles Darwin
A) The Sun B) Wind energy C) Geothermal energy D) Fossil fuels
A) Astronomy B) Geology C) Ecology D) Meteorology
A) Stratosphere B) Thermosphere C) Troposphere D) Mesosphere
A) Jupiter, Saturn, Uranus, Neptune B) Sun, Mercury, Venus, Earth C) Earth, Mars, Jupiter, Saturn D) Mercury, Venus, Earth, Mars
A) 12 hours B) 36 hours C) 24 hours D) 48 hours
A) Gobi Desert B) Arabian Desert C) Antarctica D) Sahara Desert
A) Tropic of Capricorn B) Prime Meridian C) Tropic of Cancer D) Equator
A) Rainbow refraction B) Rayleigh scattering C) Greenhouse effect D) Aurora borealis
A) Aluminum B) Oxygen C) Silicon D) Carbon
A) Ganymede B) Moon C) Titan D) Europa
A) Paleozoic Era B) Cenozoic Era C) Mesozoic Era D) Precambrian Era
A) Friction B) Magnetism C) Gravity D) Centrifugal force
A) Pannotia B) Gondwana C) Rodinia D) Laurasia
A) The third B) The second C) The first D) The fourth
A) 29.2% B) 70.8% C) 85% D) 50%
A) Earth's distance from the Sun B) The Moon's gravitational pull C) The tilt of Earth's axis with respect to its orbital plane. D) The rotation speed of Earth
A) -18 °C (0 °F) B) 100 °C (212 °F) C) 14.76 °C (58.57 °F) D) 0 °C (32 °F)
A) It has no significant role. B) It blocks all solar radiation. C) It acts as a greenhouse gas, helping to maintain liquid surface water. D) It forms clouds that cover only polar regions.
A) About 365.25 days B) 730 days C) 90 days D) 30 days
A) 384,400 km (238,855 mi) B) 150 million km C) 50,000 km D) 700,000 km
A) It has a circumference of about 60,000 kilometers. B) It has a circumference of about 40,000 kilometers. C) It is perfectly spherical. D) It has a circumference of about 10,000 kilometers.
A) The Cambrian Explosion B) The Great Oxidation Event C) The Permian Extinction D) The Ice Age
A) For the last 500 million years B) Since the first billion years of Earth's history. C) Since humans emerged D) For the last 100,000 years
A) Solar flares B) Humanity's unsustainable impact on Earth's climate and biosphere. C) Natural volcanic activity D) The Moon's gravitational pull
A) In Europe 200,000 years ago. B) 300,000 years ago in Africa. C) In North America 100,000 years ago. D) In Asia 500,000 years ago.
A) To maintain Earth's orbit around the Sun B) To stabilize Earth's axis C) To generate electricity D) To deflect most of the destructive solar winds and cosmic radiation.
A) Volcanic activity B) Earth's rotation speed C) The Moon's gravitational pull D) Differences in captured solar energy between geographic regions.
A) Its lack of greenhouse gases B) The presence of only nitrogen C) Its stability over time D) It sustains surface conditions and protects from meteoroids and UV-light.
A) They stabilize Earth's rotation B) They prevent any geological activity. C) They have no significant role D) They produce mountain ranges, volcanoes, and earthquakes.
A) Volcanic activity B) Earth's proximity to the Sun C) The absence of an atmosphere D) The greenhouse effect from gases like CO2 and water vapor.
A) 5 light-minutes B) 15 light-minutes C) About 8 light-minutes (1 AU) D) 10 light-years
A) 2010 TK7 B) 469219 Kamoʻoalewa C) 2006 RH120 D) Vanguard 1
A) Arid B) Humid tropics C) Cold polar D) Continental
A) Chandra X-ray Observatory B) Voyager 1 C) Hubble Space Telescope D) The International Space Station (ISS)
A) 1000 m (3,280 ft) B) 1200 m (3,937 ft) C) 500 m (1,640 ft) D) 797 m (2,615 ft)
A) Counterclockwise B) Clockwise C) Northward D) Southward
A) Length-of-day variation B) Chandler wobble C) Precession D) Nutation
A) Precession B) 14-month cycle C) Quasiperiodic motion D) Annual component
A) the water cycle B) the inorganic carbon cycle C) the nitrogen cycle D) the phosphorus cycle
A) The Great Oxygenation Event B) The Late Heavy Bombardment C) The formation of the first continents D) The Cambrian Explosion
A) Asthenosphere B) Outer core C) Inner core D) Crust
A) Gas B) Plasma C) Solid D) Liquid
A) Five B) Two C) Four D) Three
A) 100 ppm B) 10 ppm C) 20 ppm D) 50 ppm
A) Milankovitch cycles B) Elliptical orbit C) Orbital precession D) Circular orbit
A) Oxygen B) Silicon C) Iron D) Magnesium
A) 150 kPa B) 75 kPa C) 200 kPa D) 101.325 kPa
A) It decreases Earth's rotation speed B) It stabilizes Earth's axis and causes tides. C) It increases Earth's rotation speed D) It has no effect on Earth's rotation
A) Carbon dioxide B) Oxygen C) Hydrogen D) Nitrogen
A) Hill sphere B) Atmospheric boundary C) Gravitational field D) Gravity well
A) Old English eorðe B) Greek Gaia C) Proto-Germanic *erþō D) Latin Terra
A) Lithosphere-asthenosphere boundary B) Core-mantle boundary C) Mohorovičić discontinuity D) Outer core-inner core boundary
A) Half the size of the Sun B) Almost the same apparent-sized disk C) Much larger than the Sun D) Much smaller than the Sun
A) Gaia B) Tellus C) Gaea D) Terra
A) 80.000% B) 70.000% C) 75.000% D) 78.084%
A) Antarctica B) America C) Africa-Eurasia D) Australia
A) Pangaea B) Pannotia C) Gondwana D) Laurasia
A) *gē B) *tellus C) *terra D) *erþō
A) 3.8 Ga B) 6.0 Ga C) 5.0 Ga D) 4.54±0.04 Ga
A) Its lack of moons B) Its proximity to the Sun C) Its composition and size compared to other rocky planets. D) The presence of a large atmosphere
A) Late Modern English period B) Old English period C) Early Middle English period D) Classical Latin period
A) Slightly longer than the sidereal day B) Exactly 24 hours C) Shorter by about 8.4 ms D) The same length as the stellar day
A) Its proximity to other planets B) The absence of an atmosphere C) Its lack of tectonic activity D) Its dynamic atmosphere and liquid water.
A) Atmosphere B) Magnetosphere C) Exosphere D) Ionosphere
A) Tellus B) Terra C) Gaea D) Gaia
A) 40% B) 20% C) 30% D) 50%
A) Kilimanjaro B) Mariana Trench C) Mount Everest D) Chimborazo
A) Precession of the equinoxes B) Milankovitch cycles C) Chandler wobble D) Nutation
A) 10% B) 20% C) 30% D) 40%
A) Polar night B) Equinox C) Midnight sun D) Solstice
A) The South American Plate B) The Nazca Plate C) The Cocos Plate D) The Pacific Plate
A) Half B) Three-quarters C) One-third D) Around two-thirds
A) Quasiperiodic motion B) Chandler wobble C) Precession D) Nutation
A) Metamorphic B) Sedimentary C) Granitic D) Basaltic
A) The mesosphere B) The ozone layer C) The troposphere D) The stratosphere
A) Metamorphic rocks B) Basaltic rocks C) Igneous rocks D) Sedimentary rocks
A) The asthenosphere B) The lithosphere C) The hydrosphere D) The mesosphere
A) 97.5% B) 25% C) 75% D) 50%
A) Solar flare B) Aurora C) Substorm D) Magnetic storm
A) Carbon dioxide B) Oxygen C) Argon D) Nitrogen
A) Perihelion B) Aphelion C) Equinox D) Solstice
A) 75 mW/m2 B) 50 mW/m2 C) 100 mW/m2 D) 87 mW/m2
A) Transform faults B) Subduction zones C) Mid-ocean ridges D) Oceanic trenches
A) half of it B) a significant fraction C) none D) all of it
A) A perfect sphere B) A flat disc C) An irregular shape D) A rounded shape
A) Transform boundaries B) Subduction zones C) Divergent boundaries D) Convergent boundaries
A) Middle English B) Latin C) Old Norse D) Greek
A) Northern Hemisphere B) Southern Hemisphere C) Neither hemisphere D) Both hemispheres equally
A) 30.0° B) 15.0° C) 45.0° D) 23.439281°
A) The Cocos Plate B) The South American Plate C) The Antarctic Plate D) The Eurasian Plate
A) Nutation B) Chandler wobble C) Precession D) Quasiperiodic motion |
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