Overview

Why is Earth still active while other planets shut down? The answer isn't luck. It's movement. This book explains how planets are born hot and full of energy-and how the way they release that heat determines their future. Some planets trap heat under rigid surfaces and slowly lock up. Others release it in random volcanic bursts that don't last. Earth does something different. Its surface is broken into moving plates that let heat escape steadily, keeping the planet active and livable. Inside, students will explore: how young planets form with extreme heat and pressure why trapped heat causes planets to shut down what magma oceans, mantle convection, and plate tectonics actually do how timing affects a planet's atmosphere and surface and why Earth's cracks are the reason life can exist here Written in clear, engaging language with helpful visuals and explanations, this book is designed for middle school readers who want to understand the ""why,"" not just memorize facts. Perfect for science class, homeschool learning, or curious readers who like big ideas explained in a way that actually makes sense. Because when it comes to planets, staying alive means staying in motion.

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