| You are here: Almanahj Website ⇒ American curriculum ⇒ 4th Grade ⇒ Geology ⇒ Term 1 | ||
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Worksheet about The Earth and Beyond | ||
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| Subject: Geology | ||
| 4th Grade | ||
| Term 1 | ||
| Year: 2023/2024 | ||
| Size: 189.7KB | ||
| Number of clicks: 159 | ||
| Publish date:December 03, 2023 | ||
| Added by: Eman | ||
| Last download date: 2024-09-07 01:58:27 | By: theodor Sidratul Muntaha | |
| File info: The Earth is the third planet from the Sun in our solar system. It is the only known planet to support life and is home to a wide variety of ecosystems, including forests, deserts, oceans, and polar regions. The Earth has a diverse range of geological features, such as mountains, valleys, plains, and canyons. It is also characterized by its atmosphere, which consists primarily of nitrogen and oxygen, along with trace amounts of other gases. Beyond the Earth, there is a vast universe with countless celestial objects. The study of these objects and the phenomena occurring in space is known as astronomy. Some of the key features of the universe include stars, planets, galaxies, asteroids, comets, and black holes. Stars are massive balls of hot gas that emit light and heat. They vary in size, temperature, and brightness. Planets are celestial bodies that orbit around stars and do not produce their own light. They can be rocky like Earth or gas giants like Jupiter. Galaxies are vast collections of stars, gas, and dust held together by gravity. The Milky Way is the galaxy in which our solar system resides. There are also other galaxies beyond our own, such as the Andromeda Galaxy. Asteroids are rocky objects that orbit the Sun, mostly found in the asteroid belt between Mars and Jupiter. Comets are icy bodies that orbit the Sun in elongated orbits, often developing a glowing coma and a tail when they approach the Sun. Black holes are regions in space where gravity is so strong that nothing, not even light, can escape. They are formed from the remnants of massive stars that have undergone gravitational collapse. The exploration of space and the understanding of the Earth and beyond have been ongoing endeavors for scientists and astronomers. Space missions, telescopes, and other advanced technologies have enabled us to gain insights into the vastness and complexity of the universe. | ||
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