The rock cycle and the Earth’s physical environment

- Rock – naturally occurring, solid aggregation of minerals
Type of rock influences region’s plant community

- Mineral – naturally occurring solid element or inorganic compound that has a crystal structure, a specific chemical composition, and distinct physical properties
Building block of rocks

- Igneous rock – forms from cooling lava
Intrusive – granite
Extrusive - basalt

- Sedimentary rock – formed from weathering and erosion take place
limestone

- Metamorphic rock – form when rock is subjected to great heat and pressure
Slate and marble