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Seasons
Term | Definition |
---|---|
Axis | An imaginary line the extends through the Earth's north pole and Southern hemispheres. |
Rotation | To spin in its axis. |
Revolution | Movement in an elliptical path around a center. |
Season Cycle | The cycle of summer, fall, winter, and spring due to variation in intensity of the sun and length of day caused by the tilt of the Earth. |
Day/Night Cycle | The cycle of daytime and nighttime caused by the rotation of the Earth about its axis. |
Equator | An imaginary line drawn halfway between the northern and southern poles; divides the Northern and Southern hemispheres. |
Hemisphere | Half of a sphere; the Earth is typically divided into the Northern and Southern hemispheres. |