Term | Definition |
Environment | the surroundings in which an organism lives |
Environment | provides basic things that an organism needs |
Erosion | the transport of weathered materials by water, wind, ice, or gravity |
Fertility | the state or capacity for abundant productivity |
Igneous rock (2 types) | Extrusive igneous and Intrusive igneous |
Igneous rock | a rock formed from cooled magma |
Metamorphic rock | a type of rock that forms when rock is exposed to high temperature and pressure |
Mineral | a naturally-occurring, inorganic, crystalline solid with a definite chemical composition |
Organic matter | material from living organisms, like plants, animals, etc. |
Parent rock | the original rock from which something else was formed |
Particle size | the general dimensions o f the particles or mineral grains in a rock or sediment. |
pH | measures the acidity of a solution on a scale from 1-14. |
pH | a pH of 7 is neutral; pH below & is acidic; pH above 7 is basic, or alkaline |
Rock Cycle | the never-ending cycle in which one rock changes into another type |
Sedimentary rock | type of rock that forms from layers of sediment compacted and cemented together |
Soil | the top layer of Earth’s surface containing weathered rock, minerals, organic material, air, and water |
Texture | an observed physical property that tells how an object feels to the touch |
Weathering (2 types) | Chemical and Mechanical |
Weathering | the process by which natural forces break down rocks, minerals, and soil |