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Worksheet about The differences between Earth Rotation and Revolution | ||
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| Subject: Geology | ||
| 8th Grade | ||
| Term 1 | ||
| Year: 2023/2024 | ||
| Size: 471.6KB | ||
| Number of clicks: 159 | ||
| Publish date:November 29, 2023 | ||
| Added by: Eman | ||
| Last download date: 2024-09-12 13:41:43 | By: theodor CT Hasnah | |
| File info: Earth rotation and revolution are two distinct movements of the Earth that occur in different ways and have different effects. Here are the differences between Earth rotation and revolution: Earth Rotation: 1. Definition: Earth rotation refers to the spinning of the Earth on its axis, which is an imaginary line passing through the North and South Poles. 2. Movement: The Earth rotates in a west-to-east direction, also known as counterclockwise or anticlockwise, when viewed from above the North Pole. This rotation gives rise to the cycle of day and night. 3. Time and Speed: The Earth completes one full rotation on its axis in approximately 24 hours, which is equivalent to one day. The rotational speed at the equator is about 1,670 kilometers per hour (1,040 miles per hour), while it decreases towards the poles. 4. Effects: Earth rotation causes the alternation of day and night. As the Earth rotates, different parts of the planet are exposed to sunlight, resulting in the cycle of daylight and darkness. It also influences the apparent movement of celestial bodies, such as the Sun, Moon, stars, and planets across the sky. Earth Revolution: 1. Definition: Earth revolution, also known as orbital revolution, refers to the movement of the Earth around the Sun in a fixed path called an orbit. 2. Movement: The Earth follows an elliptical orbit around the Sun, with the Sun located at one of the two foci of the ellipse. The Earth's revolution is in a counterclockwise direction when viewed from above the Sun's North Pole. 3. Time and Speed: The Earth completes one full revolution around the Sun in approximately 365.25 days, which is equivalent to one year. The average speed of Earth's revolution is about 30 kilometers per second (67,000 miles per hour). 4. Effects: Earth revolution is responsible for the changing seasons. The tilt of the Earth's axis causes different parts of the planet to receive varying amounts of sunlight throughout the year. This results in the four seasons: spring, summer, autumn, and winter. Earth revolution also influences the length of the day and night throughout the year, with longer days in summer and shorter days in winter. In summary, Earth rotation refers to the spinning of the Earth on its axis, causing day and night, while Earth revolution refers to the Earth's movement around the Sun, causing the changing seasons and the lengthening or shortening of days throughout the year. | ||
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