1.) Metamorphic rock can change into igneous or sedimentary rock. Igneous rock forms when magma cools and makes crystals. Magma is a hot liquid made of melted minerals.
2.) Metamorphic rock can change into igneous or sedimentary rock. Igneous rock forms when magma cools and makes crystals. Magma is a hot liquid made of melted minerals. The minerals can form crystals when they cool.
3.) The heat and pressure is what causes the minerals in the rock to change. When the rock is Metamorphic Rock, it can be broken into sediment, or be pushed into the earth to be heated and melt into magma. 1. ... If sedimentary rock is melted, it will become igneous rock when once again solid.