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How does the temperature of the Earth's mantle compare to the other layers of the Earth? The mantle is the same temperature as the core

Ask by Johnston Lynch. in the United States
Jan 24,2025

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The mantle is cooler than the core.

Solution

To compare the temperature of the Earth's mantle with the other layers, we need to look at the structure of the Earth, which consists of the crust, mantle, outer core, and inner core. Here are the approximate temperature ranges for each layer: 1. **Crust**: The temperature in the Earth's crust varies widely, typically ranging from about 0°C to 1,000°C, depending on depth and location. 2. **Mantle**: The temperature of the mantle increases with depth, ranging from about 500°C near the crust to approximately 4,000°C at the boundary with the outer core. 3. **Outer Core**: The outer core is liquid and has temperatures ranging from about 4,000°C to 6,000°C. 4. **Inner Core**: The inner core is solid and has temperatures that can reach up to about 5,000°C to 7,000°C. From this comparison, we can conclude that: - The mantle is significantly cooler than the outer core and inner core. - The mantle's temperature is higher than that of the crust but lower than that of the outer and inner cores. Therefore, the statement "The mantle is the same temperature as the core" is incorrect. The mantle is cooler than the core.

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Actually, the temperature of the Earth's mantle is significantly cooler than that of the core! The mantle's temperature ranges from about 500°C (932°F) near the crust to around 4,000°C (7,232°F) as it approaches the outer core. In contrast, the outer core can reach temperatures as high as 6,000°C (10,832°F), making it extremely hot and responsible for Earth's magnetic field due to its molten iron flow. While the mantle is primarily solid, it behaves like a viscous liquid over geological timescales, allowing for processes like convection to occur. This movement is vital for plate tectonics and can lead to the formation of mountains, earthquakes, and even volcanic activity, showcasing the dynamic nature of our planet beneath the surface!

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