Metamorphic rocks, formed by temperature and pressure changes inside the Earth, Igneous rock , formed by the cooling of magma, Sedimentary rocks, formed from the products of weathering by cementation or precipitation on the Earth's surface.
2. What rock did you find the most interesting? Why?
Sedimentary rocks because it has a very light weight.
3. What are grains in the rocks? can you show me?
4. What are the crystals in the rocks? can you show me?
Gabbro are examples of this type of rock.