| A | B |
|---|
| Mineral | Naturally occurring; definite chemical compostion; crystalline structure |
| Crystal | Atoms are arranged in a regular pattern |
| Cation | Positively charged ion |
| Anion | Negatively charged ion |
| Igneous rock | Made from molten magma |
| Sediment | Gravel, sand or clay for example |
| Metamorphic rock | The result of intense heat and pressure |
| Granite | Coarse grained igneous rock |
| Basalt | Makes up most oceanic crust |
| Coal | Organic sedementary rock, for example |
| Clastic rocks | Sandstone, and shale for example |
| Fossils | Remains of a plant or animal preserved in rock |
