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6th Grade Science
6th Grade Space Science Vocabulary
| Term | Definition |
|---|---|
| Solar System | The sun and all of the bodies that orbit the sun |
| Terrestrial Planets | The four small, dense, rocky planets that orbit closest to the sun (inner planets) |
| Astronomical Unit | The average distance between Earth and the Sun |
| Gas Giant | A large planet that has a deep, massive atmosphere (outer planet) |
| Comet | A small body of ice, rock and dust follows an elliptical orbit around the sun |
| Asteroid | Small, irregularly shaped, rocky object that orbits the sun |
| Meteoroid | A relatively small rocky body that travels through space |
| Meteor | A bright streak of light that results when a meteoroid burns up in Earth's atmosphere |
| Meteorite | A meteoroid that reaches Earth's surface without burning up |
| Rotation | The spinning of an object, such as a planet, on its axis |
| Revolution | The motion of one body around another, like Earth's orbit around the sun |
| Axis | A line through an object around which it rotates |
| Day | The time is takes a planet to make one full rotation on its axis |
| Year | The time it takes a planet to make sad one full revolution |
| season | A division of the yeart that is characterized by temperature and other weather trends |
| Lunar (moon) Phases | The different appearances of the moon |
| Eclipse | An event in which the shadow of one celestial body falls on another |
| Tide | Daily changes in the level of ocean water |
Created by:
SSC 8th LA
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