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Worksheet about Motion of the Earth | ||
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| Subject: Geology | ||
| 10th Grade | ||
| Term 1 | ||
| Year: 2023/2024 | ||
| Size: 423.5KB | ||
| Number of clicks: 194 | ||
| Publish date:November 28, 2023 | ||
| Added by: Eman | ||
| Last download date: 2024-09-05 10:04:58 | By: theodor PhilileM | |
| File info: The Earth is in constant motion, with several different types of motions occurring simultaneously. The main motions of the Earth include: 1. Rotation: The Earth rotates on its axis, an imaginary line passing through the North and South poles. This rotational motion causes day and night. The Earth completes one full rotation in approximately 24 hours, resulting in a day. 2. Revolution: The Earth revolves around the Sun in an elliptical orbit. This orbital motion takes approximately 365.25 days to complete, resulting in a year. The tilt of the Earth's axis of rotation is responsible for the changing seasons as different parts of the Earth receive varying amounts of sunlight throughout the year. 3. Precession: The Earth experiences a slow wobbling motion called precession. This wobble is caused by the gravitational forces exerted by the Moon and the Sun on the Earth's equatorial bulge. Precession causes the orientation of the Earth's axis to change over a period of about 26,000 years. This motion affects the position of the celestial poles and the timing of the Earth's seasons. 4. Axial Tilt: The Earth's axis of rotation is tilted relative to its orbital plane around the Sun. This tilt, currently at about 23.5 degrees, is responsible for the changing seasons as different parts of the Earth receive varying amounts of sunlight throughout the year. The tilt remains relatively constant over long periods of time. These motions have significant effects on various aspects of the Earth, including climate, weather patterns, length of daylight, and the distribution of sunlight across different regions. They play a crucial role in shaping our planet's environment and the conditions that support life. | ||
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