Types of Rock

Know the three main types of rock — igneous (formed when lava or magma cools), sedimentary (formed from layers pressed together), and metamorphic — and that fossils are found in sedimentary rock

Usually learned at ages 7–9

Builds on: Earth's Layers (helps), Properties of materials (helps), What Is a Volcano, Earth Is Made of Rock

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On the map from: Marble Skill Taxonomy (v1), © Generative Spark, Inc. (withmarble.com), text CC BY-SA 4.0, database ODbL 1.0: https://github.com/withmarbleapp/os-taxonomy