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19 Cards in this Set
- Front
- Back
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The earth experiences seasons because
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Because tilted on it's axis
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The northern hemisphere experiences summer when the southern hemisphere experiences...
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Winter
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During.......... in the northern hemisphere the north pole is pointed towards the sun.
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Summer
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During......... in the northern hemisphere the north pole is pointed away from the sun.
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Winter
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The ............ is the day when the hours of daylight are equal to the hours of darkness .
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Equinox
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The............... ................. is the shortest day of the year because it has the fewest hours of day light.
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Winter solstice
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The first day of spring is also called the..........
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vernal equnox
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The first day of fall is also called the........
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fall equinox
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We live in the ................. .............. galaxy
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Milky way
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the star closed to earth is the..........
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sun
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............ is also known as the north star, this star does not move
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Polaris
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Name three different types of galaxies
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Elliptical, Irregular, Spiral
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The blue giant ............., the red giant ........ are found in the constellation ............
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The Blue giant Rigel, the red giant Betelgeuse, are located in the constellation Orion.
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a star that has exploded is called a
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super nova
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a cloud of gas and dust where stars are born are called
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nebulae
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the earth ...........around once on it's axle every 24 hours
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rotates
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the earth ........... around the sun once every 365 days
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orbits
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Tycho Brahe
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thought that the earth was the center of the universe
discovered nova and comet 1546-1601 |
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Gallileo Gallili
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thought that the sun was the center of the universe
saw that moon had craters 1564-1642 |
