These rocks are often shiny or glossy. This type is formed by melted rock that has cooled and solidified. These can be broken down by These can be found all around weathering and moved by us and are collected by many erosion. people. These rocks are formed where This type transforms rocks into Shale, sandstone, and There are three types of these oceans, lakes or other bodies of new kinds using extreme heat limestone are examples of this on the earth. water once existed. and pressure. type of rock. These can begin as one type and change many times to another type of rock This type is formed on the surface of the earth by layers of sediments pressing together. These rocks are formed deep within the earth. These rocks are formed by the Obsidian, granite and basalt are These rocks are hard and often magma in volcanoes cooling examples of this type of rock. contain crystals. inside the earth. Sedimentary Rocks Rocks These rocks are layered and soft looking and can contain fossils. Metamorphic Rocks Slate, marble and gneiss are examples of this type of rock. Igneous Rocks Three Types of Rocks Sort ©SmartChick Teaching Resources Students cut out the sections containing facts about each of the three types of rocks and then glue them into the appropriate columns. A great way to review and/or learn information about the three types of rocks.