Volcanoes - Woodbury Ph. D., Rebecca
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An introduction to the geology of volcanoes. Earth is made of layers: crust, mantle, and core. The mantle has a hard upper part with soft magma below. The squeezing of rocks and minerals deep in the Earth causes them to get so hot that they melt to form magma. When magma pushes through a weak spot in the crust, a volcano occurs. Magma that comes to Earth's surface is called lava, which can spout from a volcano or flow across the land. Mountains are formed when the lava cools, becoming rock. Volcanoes can also create islands in the ocean, such as the Hawaiian Islands. Earth's layers are…mehr

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Produktbeschreibung
An introduction to the geology of volcanoes. Earth is made of layers: crust, mantle, and core. The mantle has a hard upper part with soft magma below. The squeezing of rocks and minerals deep in the Earth causes them to get so hot that they melt to form magma. When magma pushes through a weak spot in the crust, a volcano occurs. Magma that comes to Earth's surface is called lava, which can spout from a volcano or flow across the land. Mountains are formed when the lava cools, becoming rock. Volcanoes can also create islands in the ocean, such as the Hawaiian Islands. Earth's layers are reviewed. 24 full-color, illustrated pages. Reading Level 1-3, Interest Level 2-5. Includes a pronunciation guide for scientific terms.
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Autorenporträt
Dr. Rebecca Woodbury, founder of Gravitas Publications Inc., has over two decades of experience in science education. With a background in biophysical chemistry, she created the Real Science-4-Kids product line in 2003 to support home educators. In 2020, she introduced RATATAZ, an innovative learning model that combines in-depth content with student-driven inquiries and project-based learning. Dr. Woodbury recently completed her M.Ed. in curriculum and instructional design, further enhancing her educational materials. She relocated her team to Tempe, AZ, in 2023 to better serve both homeschool parents and school educators.