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MAP Review Earth
Map Project Earth
| Term | Definition |
|---|---|
| Mineral | is a naturally formed, inorganic solid that had a definite crystalline structure |
| Luster | the way a surface reflects light |
| Streak | the color of a mineral in powdered form |
| Cleavage | the tendency of some minerals to break along in smooth flat surfaces |
| Hardness | a mineral's resistance to being scratched |
| Density | the measure of how much matter is in a given amount of space. |
| Rock | a naturally occurring solid mixture of one or more minerals and organic matter |
| Rock Cycle | the continual process by which new rock forms from old rock material is called the rock cycle |
| Weathering | the process in which water, wind, ice, and heat break down rock |
| Erosion | the process by which wind, water, ice, or gravity transports soil and sediment form one location to another |
| Deposition | the process in which material is laid down |
| Igneous Rock | this rock forms when hot, liquid rock, or magma, cools and solidifies |
| Sedimentary Rock | over time, sand grains may be compacted, or compressed, and then cemented together to form a rock called |
| Metamorphic Rock | these rocks are rocks in which the structure, texture, or composition of the rock have changed |
| Foliated | the texture of metamorphic rock in which the mineral grains are arranged in planes or bands |
| Nonfoliated | the texture of metamorphic rock in which the mineral grains are not arranged in planes or bands |
| Relative Dating | any method of determining whether an event or object is older or younger than events or objects |
| Superposition | a principle that states that younger rocks lie above older rocks in the layers have not been disturbed |
| Absolute Dating | |
| Radiometric Dating | |
| Half-Life | |
| Fossil | |
| Geologic Time Scale | |
| Crust | |
| Mantle | |
| Core | |
| Plate Tectonics | |
| Convergent Boundary | |
| Divergent Boundary | |
| Transform Boundary | |
| Folding | |
| Fault | |
| Fracture | the tendency of some minerals to break unevenly along curved irregular surfaces. |