Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Pre assessment Questions Rocks & Landforms What are rocks made of? How do rocks change over time? What causes the shape of land to change over time? What questions do you have about rocks & landforms? Rocks & Minerals ALL ROCKS ARE MADE OF MINERALS Minerals • Found in nature • Made of substances that were never alive (inorganic) • have the same chemical makeup anywhere it is found • Have atoms that are arranged in a regular pattern & form solid crystals. Rocks A combination of one or more minerals They are classified by how they were formed There are 3 groups of rocks Igneous Rock “born of fire” Forms from solidified magma or lava Sedimentary Rocks Forms from accumulation and compaction of sediments Metamorphic Rocks “change form” Forms when a rock changes due to heat & pressure