| A | B |
| geology | study of rocks, mineral, and the solid Earth |
| lithosphere | solid earth and land |
| atmosphere | layer of gases that surround the Earth |
| hydrosphere | Earth's waters |
| crust | thinest, outermost layer of the Earth |
| mantle | thickest layer of the Earth |
| outer core | this layer of Earth is made of molten (melted) iron and nickle |
| inner core | solid center of Earth |
| mineral | solid with definite chemical composition and a crystal shape |
| rock | solid, made of minerals, no definite composition |
| crystal | natural shape of a mineral |
| inorganic | mineral property meaning not made by of of living things |
| ore | mineral mined for its value |
| abrasive | an item used for rubbing or scraping |
| uranium | radioactive mineral used to make nuclear energy |
| fertilizers | farmers uses these minerals to for their crops |
| magma | moltem rock inside the earth |
| lava | molten rock on EArth's surface |
| extrusive | type of igneous rock formed from lava |
| intrusive | type of igneous rock formed from magma |
| sediments | examples of these are sand, clay, and pebbles |
| metamorphic | type of rock that has been changed due to extreme heat and pressure |
| erosion | carrying away of weathered rock |
| mechanical | type of weathering that changes the size and shape of rocks |
| chemical | weathering that changes the composition of rock |
| rust | iron oxide |
| glacier | huge block of moving ice that causes erosion |