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FINAL EXAM REVIEW 6
ASTRONOMY (6th Grade Science Final Exam Review)
| Question | Answer |
|---|---|
| Why does earth has seasons? | Because its axis is tilted as it moves around the sun. |
| Seasons | Winter, Spring, Summer and Fall. |
| Axis | An imaginary line that runs through the earth. |
| Rotation | The spinning motion of a planet on its axis. |
| Revolution | The movement of an object around another object (when the earth goes in its full orbit around the sun). |
| Orbit | The path of an object as it revolves around another ojbect in space. |
| Light-year | The distance that light travels in ONE YEAR. |
| Moon | The earths only natural satellite. The brightest object in the night sky but gives off no light of its own. |
| Universe | All of space and everything in it. |
| Solar System | The sun together with the nine planets and all other bodies orbiting another star. |
| Gallileo | An astronomer who was first to use the telescope to study stars. Believed that the EARTH Orbits the sun. First to discover momentum. His evidence proved Copernicus's idea that the sun is at the center and the earth and other planets revolve around it. |
| Copernicus | Believed that the sun was at the center. |
| Heliocentric System | Description that all of the planets revolve around the sun. |
| Geocentric System | Description that all of the planets revolve around Earth. |