Question | Answer |
What are rocks made of? | minerals |
What rocks are formed by cooling & hardening of hot liquid rock? | Igneous |
What rocks are formed when rocks are changed by heat and pressure? | metamorphic |
What rocks are formed when sediments are pressed & cemented together? | sedimentary |
What is the process when rocks are broken down into smaller fragments? | weathering |
What is the process when rock fragments are moved by some force of nature? | erosion |
What is the process when rock fragments are laid down in a new location? | deposition |
What is the movement within the Earth that causes rocks inside the Earth to be moved to the Earth’s surface? | uplifting |
What is the chemical makeup of a rock? | composition |
What is the quality of a rock that is based on the sizes, shapes, and positions of the rock’s grains? | texture |
What are light colored igneous rocks? | Felsic rocks |
What are dark colored igneous rocks? | Mafic rocks |
When heat and pressure work on a sedimentary rock what rock type is formed? | metamorphic |
When a metamorphic rock is heated and becomes magma then erupts from a volcano and cools what rock type is formed? | igneous |
When weathering and erosion work on a metamorphic rock what rock type is formed? | sedimentary |
What are the rock and mineral fragments pressed together called? | sediment |
What are layers of rocks called? | strata |
When magma is slow cooling and there are more crystals in the igneous rock what type of texture will the rock have? | coarse |
When magma is fast cooling and there are less crystals in the igneous rock what type of texture will the rock have? | fine |
What are the five characteristics of a mineral? | Naturally occurring, inorganic, solid, crystal structure, definite chemical composition |
What is luster? | Way a surface reflects light |
What is streak? | Color of a mineral in powdered form |
What do we identify using color, luster, streak, cleavage/fracture, hardness, density, & special properties? | Minerals |