Science terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| crater | depression formed by large meteorite
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| Asteroid | small rocky object found in the asteroid belt between Jupiter and Mars
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| Revolution | motion of earth around the sun
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| Rotation | spinning of earth on its axis causing day and night
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| solar eclipse | during a new moon when the sun moon and earth line up and earth moves into the moons shadow
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| solar system | includes sun planets and everything else in a solar system
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| solstice | time when sun reaches its greatest point norther geographic pole or southern geographic pole
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| sphere | 3d object whose surface at all points is the same distance from its center
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| gravity | a force that attracts all objects towards each other
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| ellipse | the shape of earth's orbit that is rounded like a circle but somewhat flattened
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| Maria | dark region on the moon that is smooth with few craters
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| ozone | gas formed in the upper levels of the atmosphere that protects earth from the sun's harmful UV radiation
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| olympus Mons | largest volcano in the solar system on mars
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| meteoroids | pieces of astroids or comets that have broken off
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| meteoriotes | meteorite that has made impact in the earth
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| meteors | meteoroids that has made impact in the earth
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| astronomical unit | unit of measure used to determine distance between objects in the solar system
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| axis | imaginary line around which earth spins causing day and night
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| comet | space object made of rocky particles and water ices
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| equinox | twice yearly time when the sun is directly above the equator
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| lunar eclipse | occurs during the a full moon, the sun earth and moon line up in a specifically and the moon moves into the earth's shadow
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| moon phase | changing views of the moon seen from earth
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| nebula | cloud of rotating gases and dust parts from which the solar system may have formed billion years ago
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| orbit | curved path followed by earth as it moves around the sun
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