Science PRAXIS 5905 Exam Questions Correct Answers New Verified Update (Guaranteed Pass)

Science PRAXIS 5905 Exam Questions Correct Answers New Verified Update (Guaranteed Pass) Paleontology - Answers - study of history of life on earth (fossils) how old is earth - Answers - 4.5 billion years old what does earths magnetic field do? - Answers - protect against solar flares and solar winds. Responsible for the Northern Lights Solar wind - Answers - charged particles escape from suns gravitational pull. what is most different about object on mars than earth? - Answers - weight 4 inner planets are.. (MVEM) 4 outer planets are..(JSUN) - Answers - solid gas super nova - Answers - when a star explodes. creates all heat elements in world astronomy - Answers - the study of space sun - Answers - star at the center of earths solar system. hydrogen & helium 109 earths would fit nuclear fusion - Answers - how the sun shines and produces heat. lighter elements become heavier. earth is closest to... - Answers - sun Radiation - Answers - heat comes from the sun to the earth asteroid - Answers - a small rocky body orbiting the sun in asteroid belt Comets - Answers - balls of ice, rock, and dust in space with a tail Where is the asteroid belt located? - Answers - Between Mars and Jupiter galaxy - Answers - made up of stars, dust, and gas. (galaxy that is home to earth: Milky Way) the planet most like earths size - Answers - venus Metoroid - Answers - light flashing in the sky. what happens if you drop a ball from space - Answers - fall slower and take longer absolute magnitude - Answers - The actual brightness of a star planet that orbits closest to earth - Answers - venus planet that has shortest days - Answers - jupiter terrestrial planet - Answers - mercury planet w / abnormal tilt on axis. causes days/times to differ - Answers - uranus burning fossil fuels & volcanic activity= - Answers - carbon dioxide on earths atmosphere largest planet furthest from the sun and smallest of gas giants. color is bc of methane. longest orbit around sun. - Answers - neptune how long does it take earth to rotate on its axis? - Answers - one day how long does it take for earth to revolve around sun? - Answers - one year how long does it take for the moon to revolve around earth? - Answers - one month (27 days) nitrogen makes up what percent of earths atmosphere? - Answers - 78% Lunar Eclipse - Answers - when earth moves between the moon and sun. (sun, earth, moon) solar eclipse - Answers - when the moon lines up between earth and sun (blocking sunlight/cast shadow over earth) total solar eclipse= - Answers - new moon what is the most common element in universe? - Answers - carbon black hole - Answers - massive star with gravitational field so strong that light cannot escape aurora - Answers - when particles from solar wind are trapped in earths magnetic field earths layers CRUST - Answers - everything we see and study. cracked, split into tectonic plates. edges go under ocean called continental shelves. CRUST CONTINENTAL SHELVES (2 types) - Answers - 1. Oceanic- bottom of oceans, below continental crust. CONSIST OF: basalt 2. Continental- thicker on land. CONTAINS: granite earths layers THE MANTLE - Answers - thickest layer of earth (84% of earths volume). always in motion. divided into layers THE MANTLE layers (5 ) - Answers - 1. Upper Mantle- extends where the crust ends. formed from rock but sticky 2. Lower Mantle- extends from upper mantle. made up of magnesium 3. the core- inner and outer core work together as temp goes down 4. Inner core- solid. temps and pressures are extreme. 5. outer core- solid. 6,000 ft below. made of iron