2. Baseball Lesson The Universe Grade 6

3. Earth and Its Place in the Universe The student will investigate the structure of the universe.

4. Terms Nebula - gas and dust Protostar - forms from nebula Heliocentric - sun is center of solar system Geocentric - earth is center of solar system Nebula - gas and dust Protostar - forms from nebula Heliocentric - sun is center of solar system Geocentric - earth is center of solar system

5. Terms Kepler - discovers elliptical orbits Copernicus - heliocentric view of solar system Ptolemy - geocentric view of universe refracting telescope - uses mirrors to gather light Kepler - discovers elliptical orbits Copernicus - heliocentric view of solar system Ptolemy - geocentric view of universe refracting telescope - uses mirrors to gather light

6. Terms spiral galaxy shaped like a pinwheel elliptical galaxy shaped like a flattened oval Big Bang Theory explains origin of universe classifiction of stars temperature, brightness, and size spiral galaxy shaped like a pinwheel elliptical galaxy shaped like a flattened oval Big Bang Theory explains origin of universe classifiction of stars temperature, brightness, and size

7. Terms corona outermost layer of sun nuclear fusion produces energy in sun and other stars hydrogen element makes up 60% of stars black hole follows supernova of giant star corona outermost layer of sun nuclear fusion produces energy in sun and other stars hydrogen element makes up 60% of stars black hole follows supernova of giant star

8. Terms white dwarf follows nova of medium sized star protostar early stage of star, formed from nebula Hertzsprung-Russell diagram compares temperature and brightness of stars refracting telescope uses lenses to gather visible light white dwarf follows nova of medium sized star protostar early stage of star, formed from nebula Hertzsprung-Russell diagram compares temperature and brightness of stars refracting telescope uses lenses to gather visible light

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