space facts for 6 th grade
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Space Facts for 6 th Grade. Following are a series of slides related to our study of space. You are responsible for the definitions given you in class. You are also responsible for the material listed on the concept sheet. - PowerPoint PPT PresentationTRANSCRIPT
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Space Facts for 6th Grade
http://www.youtube.com/watch?v=SB_Qfngi0mo
The movie referenced below is 44 minutes long and detail 13 of the greatestAstronomy discoveries of all time.
Following are a series of slides related to our study of space.You are responsible for the definitions given you in class.You are also responsible for the material listed on the concept sheet.
The links are for you to enjoy but will be gone over in class so aren’trequired.
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big bang theoryA cosmological theory holding that the universe
originated approximately 20 billion years ago from the violent explosion of a very small agglomeration of matter of extremely high density and temperature.
http://www.youtube.com/watch?v=zDQzKTedGNE
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EarthThe Earth is the third planet in order from the
sun,having an equatorial diameter of 7926 miles (12,755 km) and a polar diameter of 7900 miles (12,714 km), a mean distance from the sun of 92.9 million miles (149.6 million km), and a period of revolution of 365.26 days. Earth has one satellite, the moon.
http://www.youtube.com/watch?v=lwwioJhQzeg
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hemisphere A hemisphere is half of the terrestrial globe or celestial sphere, especially one of the halves into which the earth is divided.
Southern Hemisphere
Northern Hemisphere
Eastern Hemisphere
Western Hemisphere
http://www.youtube.com/watch?v=DYwA_8qMt9I
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axisAn axis is a line about which a rotating body, such
as the Earth, turns.
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An equinox is one of two date(s) at which the axis of the sun is directly parallel the sun. March 21 and Sept 21.
equinox
Equinoxes are days in which day and night are of equal duration. The two yearly equinoxes occur when the Sun crosses the celestial equator.
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solstice
• The solstices are days when the Sun reaches its farthest northern and southern declinations. The winter solstice occurs on December 21 or 22 and marks the beginning of winter (This is the shortest day of the year in the northern hemisphere.). The summer solstice occurs on June 21 and marks the beginning of summer (This is the longest day of the year. In the northern hemisphere).
A solstice is one of two date(s) at which the axis of the sun is pointed directly toward or away from the sun. June 21 and December 21
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seasons
http://www.youtube.com/watch?v=DuiQvPLWziQ
Seasons are changes in climate (temperature, water, etc.) caused by the position of the Earth’s axis due to receiving different amounts of the sun’s energy as the Earth revolves around the sun
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tideTides are the periodic rise and fall of the waters of the ocean and its inlets, produced by the attraction of the moon and sun, and occurring about every 12 hours.
http://www.mmscrusaders.com/newscirocks/tides/tideanim.htm
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sunThe sun is a glowing ball of plasma – a yellow star.
The sun contains 99.86% of themass of the solar system. It is over99% hydrogen with 1% helium. TheSun is a yellow dwarf star.
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solar eclipse A solar eclipse occurs when the moon comes
between the sun and a point on the earth.
http://www.youtube.com/watch?v=O-X4QmWpjBM
Solar Eclipse Educational Videoby kohjb51,639 views
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star• A star is a massive, luminous sphere of plasma
held together by gravity. (plasma – a hot glowing ball of gases.
The Hertzsprung–Russell diagram is a scatter graph of stars comparing their brightness (absolute magnitude) and temperature (which causes their color). H-R diagrams are not pictures or maps of the locations of the stars. Instead, they plot each star on a graph measuring the star's absolute magnitude or brightness against its temperature and color.
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the moonThe natural satellite of Earth, visible by reflection of sunlight and having a slightly elliptical orbit.
Dark areas are called maria (seas) and are flat areas like plains. Light areas are terrae (land) where there a mountains and craters.
It takes 28 days for themoon to orbit the Earth.
Apollo 11 was the spaceflight which landed the first humans, Neil Armstrong and Edwin "Buzz" Aldrin, Jr, on Earth's Moon on July 20, 1969, at 20:17:39
http://www.youtube.com/watch?v=sTBIr65cL_E&feature=related
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phases of the moonThe phases of the moon are changes in the moon’s appearance
due to its position relative to the sun and Earth.
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moonA moon is a natural object that rotates around a planet or planetoid.
Earth’s moon revolves around the Earth every 28 days and is about 250,000 miles from Earth. Earthhas one moon that stabilizesEarth’s orbit.
Saturn has more than 30 moons.
http://www.youtube.com/watch?v=OZIB_leg75Q&feature=related
Why do we only see one side of the moon? Watch this video.
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lunar eclipse
http://www.youtube.com/watch?v=DU-mW-qy4PU&feature=related
A lunar eclipse occurs when the moon passes behind the Earth so that the Earth blocks the sun's rays from striking the Moon.
During a total lunar eclipse, the moon appears to be red and isstill visible.
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rotationA rotation is the act or process of turning around a center or an axis: the axial rotation of the Earth is responsible for night and day and the day length.
http://www.youtube.com/watch?feature=endscreen&v=HOPznRRiWOg&NR=1
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elliptical rbitAn elliptical orbit is the revolving around and object by another object in a path called an ellipse.
http://www.windows2universe.org/physical_science/physics/mechanics/orbit/ellipse.html
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plane of the eclipticThe ecliptic is the name given to the imaginary line
that is drawn on the celestial sphere ( star maps ) that shows roughly the plane of the Solar System
http://nineplanets.org/overview.html
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revolution A revolution is a single complete cycle around
another body in space.
http://www.youtube.com/watch?v=lkWyM-M8o0c
http://www.youtube.com/watch?v=82p-DYgGFjI&feature=related
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solar system
http://www.apples4theteacher.com/starwarp2.html
The solar system is the collection of planets and their moons in orbit around a sun, together with smaller bodies; asteroids, meteoroids, and comets.
http://www.kidsastronomy.com/solar_system.htm
Earth’s solar systemhas eight planets, two planetoids, numerous moons, and other objects.
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constellationA constellation is a group of stars given a name by group of people.
Ursa Major – the great bear the scorpion
the hunter
the swan
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constellation: Ursa Major (the big bear)
North StarPolaris
The name "The Great Bear" seems to have been assigned to the constellation in antiquity, due to its northern latitudes. Only a prodigious bear could live in such a northerly clime.
http://www.allthesky.com/constellations/ursamajor/
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constellation: CassiopeiaCassiopeia is a constellation in the northern sky, named after the vain queen
Cassiopeia in Greek mythology, who boasted about her unrivalled beauty. Cassiopeia was one of the 48 constellations listed by the 2nd century Greek astronomer Ptolemy, and it remains one of the 88 modern constellations today. It is easily recognizable due to its distinctive 'W' shape, formed by five bright stars. It is bordered by Andromeda to the south, Perseus to the southeast, and Cepheus to the north. She is opposite the Big Dipper, and from northern latitudes can be seen at her clearest in early November.
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constellation: Scorpius (the scorpion)
Scorpius is one of the oldest constellations known - possibly even one of the original six signs of the zodiac.
Gaia sent the scorpion to kill Orion. The animal would chase Orion across the heavens, but it could never catch him, for the scorpion was so placed that it would rise in the east only after Orion had safely disappeared over the western horizon.
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constellation: cygnus (the swan)
Several extrasolar planets including HAT-P-7b, HAT-P-11b, HD 185269 b, HD 187123 b and c, Gliese 777 b and c, and 16 Cygni Bb, have been discovered in Cygnus, but the most notable is Kepler 22b, which is believed to be the first "Earth-twin" planet ever discovered, with an estimated average surface temperature of 73 degrees Fahrenheit.
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constellation: Orion
Orion is one of the most well-known constellations, visible in the southern sky during northern hemisphere winters. He is generally shown as a hunter attacking a bull with an upraised club, and is easily recognizable by his bright belt of three stars. In addition, his shoulder is marked by the red supergiant Betelgeuse (literally "armpit of the central one" in Arabic), and his left leg is marked by the blue-white supergiant Rigel. According to the versions of the myth which have him killed by Scorpius, the two were placed on the opposite sides of the sky from each other so that they are never visible at the same time.
The middle star inOrion’s sword isactually a nebula, astar that went novaIn 1054.
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galaxy A galaxy is an assembly of stars, gas, and dust, usually
consisting of millions of stars.
http://www.youtube.com/watch?v=aQJQH7lS27s
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spiral galaxy
http://www.youtube.com/watch?v=AD9OV1Zrs4I
A spiral galaxy is a galaxy having a spiral structure.
The Earth’s solar system is 2/3 of the way out on one arm of the spiral milky way Galaxy.
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other types of galaxiesThere are many types of galaxies.
http://www.youtube.com/watch?v=LBlIEs73LGw
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universeThe universe is the entire celestial cosmos.
http://www.youtube.com/watch?v=CEQouX5U0fc&feature=related
Each of the“stars” shownIn these pictures is reallya galaxy withmillions ofstars in eachone.
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black holeA black hole is a region of space time from which
nothing, not even light, can escape.
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cometA comet is a celestial body that moves around the sun, and as it goes near the sun it forms a vapor trail of dust and gas that streams after it
http://www.youtube.com/watch?v=C8zV1xiGqf4
Video on Halley’s comet
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asteroidAn asteroid is a small rocky body orbiting the sun.