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