| A | B |
|---|
| Rocks | Combination of minerals |
| Igneous Rocks | Formed by melting, cooling and solidification |
| Magma | Liquid rock found inside the earth's surface |
| Lava | Liquid rock found outside the earth's surface |
| Intrusive | Formed inside the earth's surface |
| Extrusive | Formed outside the earth's surface |
| Texture | Size of crystals |
| Coarse grain | Big crystals that have formed by slow cooling |
| Fine grain | Small crystals formed by fast cooling |
| Glassy | No crystals formed by really fast cooling |
| Felsic | High in Al; light color and low density |
| Mafic | High in Fe & Mg; dark color and high density |
| Intergrown crystals | Fits together like a puzzle |
| Solidification | Turns into a solid |
| Granite | Intrusive, Felsic, Light color, Coarse and low density |
| Rhyolite | Extrusive, fine, light color, Felsic and low density |
| Pumice | Extrusive, Glassy with bubbles, light,Felsic, low density |
| Obsidian | Extrusive, light color, Felsic, low density |
| Gabbro | Intrusive, dark color, Mafic, coarse and high density |
| Basalt Scoria | Extrusive, dark color, Mafic, coarse and high density |
| Basalt Glass | Extrusive, dark color, Mafic and high density |
| Pegmatite | Intrusive, very coarse, light color, Felsic and low density |
