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Activities about movements of the earth Worksheet | ||
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| Subject: Geology | ||
| 3rd Grade | ||
| Term 1 | ||
| Year: 2023/2024 | ||
| Size: 351.8KB | ||
| Number of clicks: 129 | ||
| Publish date:November 22, 2023 | ||
| Added by: Eman | ||
| Last download date: 2024-09-12 22:07:16 | ||
| Updated by: Eman9966 on 2023-11-23 15:54:25 | By: theodor Laura_G_M | |
| File info: Planet Earth, our home in the vast expanse of the cosmos, is a vibrant and dynamic world teeming with life. Its unique characteristics and intricate processes make it a remarkable place, capable of supporting a diverse array of organisms. Characteristics of Planet Earth Earth is the third planet from the Sun and the only known celestial body that can sustain life as we know it. This remarkable ability stems from a combination of factors that make Earth a true oasis in space: Liquid Water: Earth boasts an abundance of liquid water, a crucial ingredient for life. Water covers about 71% of the planet's surface, forming vast oceans, lakes, and rivers. This liquid water provides a suitable environment for life to flourish. Habitable Atmosphere: Earth's atmosphere is a protective layer that shields us from harmful solar radiation and regulates the planet's temperature. It is composed primarily of nitrogen and oxygen, with smaller amounts of other gases, such as carbon dioxide and water vapor. This atmosphere allows life to thrive on the surface. Temperate Climate: Earth's climate is relatively temperate, with an average global temperature of about 14 degrees Celsius (57 degrees Fahrenheit). This moderate temperature range allows for a wide variety of life to exist. Abundant Resources: Earth is rich in natural resources, including minerals, metals, and fossil fuels. These resources are essential for human civilization and technological development. Diverse Ecosystems: Earth is home to a vast array of ecosystems, from lush rainforests to arid deserts. These ecosystems support a multitude of life forms, each playing a vital role in maintaining the planet's delicate balance. Intricate Processes Earth's unique characteristics are sustained by a complex interplay of natural processes that drive the planet's dynamics. These processes include: Plate Tectonics: The movement of Earth's tectonic plates creates and shapes continents, mountains, and ocean basins. This movement also drives volcanic activity and earthquakes. Water Cycle: The continuous movement of water through evaporation, condensation, and precipitation ensures a constant supply of fresh water to the planet's surface. Atmospheric Circulation: Wind patterns and air currents distribute heat and moisture across the globe, influencing weather patterns and climate. Photosynthesis: Plants capture energy from the sun and convert it into chemical energy through photosynthesis. This process forms the basis of the food chain and sustains life on Earth. Biological Processes: The interactions between organisms, from microscopic bacteria to complex ecosystems, play a crucial role in maintaining the planet's health and balance. A Precious Oasis Planet Earth is a remarkable place, a precious oasis in the vastness of space. Its unique characteristics, intricate processes, and abundance of life make it a truly special planet. As we continue to explore our home and unravel its mysteries, let us appreciate the delicate balance that sustains us and work towards preserving this precious gift for future generations. | ||
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