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Worksheet about earths rotation and revolution and phases of the moon and eclipses | ||
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| Subject: Geology | ||
| 3rd Grade | ||
| Term 1 | ||
| Year: 2023/2024 | ||
| Size: 241.5KB | ||
| Number of clicks: 122 | ||
| Publish date:November 24, 2023 | ||
| Added by: Eman | ||
| Last download date: 2024-09-12 13:51:30 | By: theodor ConsueloVillarroel | |
| File info: Certainly! Let's explore the Earth's rotation and revolution, as well as the phases of the Moon and eclipses: Earth's Rotation and Revolution: 1. Rotation: Earth rotates on its axis, an imaginary line passing through its North and South Poles. This rotation causes the cycle of day and night. It takes approximately 24 hours for the Earth to complete one rotation, resulting in a day. 2. Revolution: Earth revolves around the Sun in an elliptical orbit. This movement is known as revolution and takes approximately 365.25 days to complete, resulting in a year. The tilt of Earth's axis causes the changing of seasons as it revolves around the Sun. Phases of the Moon: 1. New Moon: During a new moon, the Moon is positioned between the Earth and the Sun. The side of the Moon facing Earth is not visible because the illuminated side is facing away from us. 2. Waxing Crescent: After the new moon, a small crescent of the Moon becomes visible. This phase is called the waxing crescent. The illuminated portion of the Moon gradually increases. 3. First Quarter: The first quarter moon occurs when half of the Moon is visible from Earth. It appears as a half-moon shape, with the right side illuminated in the Northern Hemisphere and the left side illuminated in the Southern Hemisphere. 4. Waxing Gibbous: Following the first quarter, the illuminated portion of the Moon continues to increase, forming a waxing gibbous phase. More than half but less than a full moon is visible. 5. Full Moon: A full moon occurs when the Earth is between the Moon and the Sun, and the entire illuminated side of the Moon is visible from Earth. 6. Waning Gibbous: After the full moon, the illuminated portion gradually decreases, forming a waning gibbous phase. It appears as more than half but less than a full moon. 7. Last Quarter: The last quarter moon occurs when half of the Moon is visible, similar to the first quarter moon. However, the left side is illuminated in the Northern Hemisphere, and the right side is illuminated in the Southern Hemisphere. 8. Waning Crescent: The waning crescent phase occurs as the illuminated portion of the Moon decreases further. It appears as a small crescent shape until it reaches the new moon phase again. Eclipses: 1. Solar Eclipse: A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking the light of the Sun from reaching the Earth. This can happen during a new moon phase. There are different types of solar eclipses, including total, partial, and annular eclipses. 2. Lunar Eclipse: A lunar eclipse occurs when the Earth is between the Sun and the Moon, and the Moon moves into the Earth's shadow. This can happen during a full moon phase. There are three types of lunar eclipses: total, partial, and penumbral. Solar and lunar eclipses are fascinating celestial events that occur periodically but are not visible from all locations on Earth during each occurrence. Remember that the phases of the Moon and the occurrence of eclipses are predictable based on the positions of the Earth, Moon, and Sun. | ||
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