Under each description on the tree map draw how the rock would look Description sandy, layers, made of small rocks, made up of dead stuff, fossils found glassy, large crystals, many holes wavy layers, small crystals, flat looking Definitions Rock is formed from rock that has undergone heat and great pressure Rock is formed from melted rock that hardens. Rocks is formed over a long time .It is formed in layers of sediment. Under each description on the tree map draw how the rock would look
3 Types of Rocks Igneous Sedimentary Metamorphic