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Earth Science. Rocks. By Maria Flores. Fourth grade Earth Science Standard. 4. The properties of rocks and minerals reflect the processes that formed them. As a basis for understanding this concept:
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Earth Science Rocks By Maria Flores
Fourth grade Earth Science Standard 4. The properties of rocks and minerals reflect the processes that formed them. As a basis for understanding this concept: a. Students know how to differentiate among igneous, sedimentary, and metamorphic rocks by referring to their properties and methods of formation (the rock cycle).
Igneous Rock The Igneous rock form when magma of lava cool and hardens.
Types of Igneous Rocks Basalt Granite Obsidian Pumice
Sedimentary Rocks Sedimentary Rocks are usually made of pieces of rock that have been squeezed and stuck together.
Types of Sedimentary Rocks Sandstone Conglomerate Limestone Shale
Metamorphic Rock • Metamorphic rocks form when heat and pressure change rocks.
Types Metamorphic Rocks Mica Schist Spotted Slate Gneiss Marble
Rocks in California Metamorphic Sedimentary Central Valley Igneous Sierra Nevada
References • http://www.tulane.edu/~sanelson/images/snevadabath.gif • http://www.physical geography.net/fundamentals • http://www.childrensmuseum.org/geomysteries