Everything in this flashcard set.
- minerals
- Solid homogeneous inorganic substances occurring in nature having a definite chemical composition (plural)
- rocks
- Hard piece of stone (plural)
- crust
- Hard outer layer of the Earth or of bread
- mantle
- United States baseball player
- core
- The central part of the Earth
- volcano
- Mountain that erupts with lava
- earthquake
- A sudden shaking of the ground caused by movement within the Earth.
- plate tectonics
- The branch of geology studying the folding and faulting of the earth's crust
- density
- How tightly packed the matter in something is
- porous
- Able to absorb fluids
- weathering
- The breakdown or alteration of rock at or near the surface of the Earth.
- erosion
- Condition in which the earth's surface is worn away by the action of water and wind
- lava
- Rock that in its molten form issues from volcanos
- magma
- Molten rock in the earth's crust
- fossil
- The remains of a plant or animal that existed in a past geological age and that has been excavated
- basalt
- The commonest type of solidified lava
- granite
- Plutonic igneous rock having visibly crystalline texture
- sandstone
- A sedimentary rock consisting of sand consolidated with some cement
- shale
- A sedimentary rock formed by the deposition of successive layers of clay
- limestone
- A sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals