8th grade astronomy book baseball review game
TRANSCRIPT
Baseball Review Astronomy
Grade 8
Astronomy
Famous Discoveries
•discovered elliptical orbits- Kepler•sun-centered solar system heliocentric model•Earth-centered solar system geocentric model
Famous Discoveries
•supported heliocentric view of solar system-
Copernicus•supported geocentric view of universe-
Ptolemy
Stars
•gas and dust nebula •forms from nebula protostar
Stars
•stars are classified by:•temperature, brightness, and size
•produces energy in sun and other stars
•nuclear fusion
Terms
•galaxy shaped like a pinwheel•spiral galaxy•galaxy shaped like a flattened oval
•elliptical galaxy
Terms
•explains origin of universe•Big Bang Theory •uses mirrors to gather light •reflecting telescope
Terms
•element that makes up 60% of a star
•hydrogen• length of Earth’s rotation•24 hours
Terms
•uses lenses to gather visible light•refracting telescope•Earth’s path as it revolves around the Sun
•orbit
The Lives of Stars
•follows red giant stage of medium sized star
•white dwarf• follows white dwarf stage •black dwarf
The Lives of Stars
•compares temperature and brightness of stars
•Hertzsprung-Russell diagram•follows supernova of supergiant star
•black hole
The SunThe Sun
• outermost layer of sun• corona• loops of gases that link sunspot
regions• prominences• explosions that occur when sunspots
connect• solar flares
Terms
•causes day and night •Earth’s rotation• imaginary line that passes thru. Earth’s center
•axis
Terms
•movement of one object around another
•revolution•study of moon, stars and other objects in space
•astronomy
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.
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
Terms
• large satellite in which people can live for long periods of time
•space station•main way US launches equipment into space
•space shuttles
Terms
•rise and fall of water•tides•type of rocket used to send objects into space
•multistage rocket
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
PlanetsPlanets
• made up almost entirely of gases
• gas giants• axis tilted at 90o angle• Uranus
PlanetsPlanets
• similar to our moon• Mercury• Earth’s twin• Venus
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
PlanetsPlanets
• famous for its rings • Saturn• most massive planet• Jupiter• only planet with known life
• Earth• retrograde rotation
• Venus