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Seasons-Ms. Meyer
Seasons vocabulary & learning objectives
| Question | Answer |
|---|---|
| Axis | Imaginary line that passes through center of Earth. |
| Rotation | A body spinning on its axis. |
| Revolution | The movement of a body around another body (Earth around the Sun). |
| Orbit | The Earth's path as it travels around the Sun. |
| Solstice | June 21st is summer solstice, the longest day of year, December 21st is winter solstice, the shortest day of year. |
| Equinox | Equal amounts of day and night. |
| Vernal (Spring) Equinox | March 21st |
| Autumnal (Fall) Equinox | Sept. 21st |
| 23.5 degrees | The tilt of Earth on axis. |
| 23.9 hours | Amount of time it takes Earth to rotate around once on its axis. |
| Daytime | When your point on Earth is facing the Sun. |
| Nighttime | When your point on Earth is facing away from the Sun. |
| 365 and 1/4 days | The amount of time it takes the Earth to orbit the Sun. |
| Seasons are a result of... | Earth's tilt on its axis and its orbit around Sun. |
| Summer | When your hemisphere tilts towards the Sun. |
| Winter | When your hemisphere tilts towards the Sun. |
| Shortest day of year. | Winter Solstice-Dec. 21st. First day of winter. |
| Longest day of year. | Summer Solstice-June 21st. First day of summer. |
| Aphelion | A body's closest point to another. Winter in the northern hemisphere |
| Perihelion | A body's farthest point from another. Summer in the northern henisphere |
| Wintertime | The Sun's path is lower in the sky. |
| Summertime | The Sun's path is higher in the . |