It hardens forming igneous rock. Inside the earth's crust, heat and pressures change rocks into different stones like an oven turning dough into bread. Elsewhere, sand, shells and dust squeeze together pushing water out. A rock forms in layers called sedimentary.
Tectonic plates press together.
A volcano assembles and spits fire out the top as though it was a firecracker. Go to the Science Poetry Main Menu . Go to the Ward Wide Web .