8th grade astronomy book baseball review game
TRANSCRIPT
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Baseball Review Astronomy
Grade 8
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Astronomy
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Famous Discoveries
•discovered elliptical orbits- Kepler•sun-centered solar system heliocentric model•Earth-centered solar system geocentric model
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Famous Discoveries
•supported heliocentric view of solar system-
Copernicus•supported geocentric view of universe-
Ptolemy
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Stars
•gas and dust nebula •forms from nebula protostar
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Stars
•stars are classified by:•temperature, brightness, and size
•produces energy in sun and other stars
•nuclear fusion
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Terms
•galaxy shaped like a pinwheel•spiral galaxy•galaxy shaped like a flattened oval
•elliptical galaxy
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Terms
•explains origin of universe•Big Bang Theory •uses mirrors to gather light •reflecting telescope
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Terms
•element that makes up 60% of a star
•hydrogen• length of Earth’s rotation•24 hours
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Terms
•uses lenses to gather visible light•refracting telescope•Earth’s path as it revolves around the Sun
•orbit
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The Lives of Stars
•follows red giant stage of medium sized star
•white dwarf• follows white dwarf stage •black dwarf
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The Lives of Stars
•compares temperature and brightness of stars
•Hertzsprung-Russell diagram•follows supernova of supergiant star
•black hole
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The SunThe Sun
• outermost layer of sun• corona• loops of gases that link sunspot
regions• prominences• explosions that occur when sunspots
connect• solar flares
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Terms
•causes day and night •Earth’s rotation• imaginary line that passes thru. Earth’s center
•axis
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Terms
•movement of one object around another
•revolution•study of moon, stars and other objects in space
•astronomy
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It’s time for the 7th inning stretch !
Take me out to the ball game,Take me out with the crowdBuy me some peanuts and Cracker Jack,I don't care if I never get back.Let me root, root, root for the home team,If they don't win, it's a shame.For it's one, two, three strikes, you're out,At the old ball game.
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The Sun
• layer of the sun visible during a total solar eclipse
• corona• stream of electrically charged particles sent
out from the corona• solar wind• dark areas on the sun that are cooler than
the layers around them• sunspots
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Terms
• large satellite in which people can live for long periods of time
•space station•main way US launches equipment into space
•space shuttles
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Terms
•rise and fall of water•tides•type of rocket used to send objects into space
•multistage rocket
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The Moon
• round pits formed by meteorites-• craters• dark, flat areas on moon’s surface• maria• depends on how much of sunlit side
of moon faces Earth• phases
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PlanetsPlanets
• made up almost entirely of gases
• gas giants• axis tilted at 90o angle• Uranus
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PlanetsPlanets
• similar to our moon• Mercury• Earth’s twin• Venus
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TermsTerms
• life other than that on Earth• extraterrestrial life• pattern of stars in sky• constellation• energy that can travel thru space
in form of waves• electromagnetic spectrum
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PlanetsPlanets
• famous for its rings • Saturn• most massive planet• Jupiter• only planet with known life
• Earth• retrograde rotation
• Venus