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