Sedimentary rocks are made up of pieces of older rocks (igneous, metamorphic, and sedimentary) and organic remains (shells, bone, etc.). When rocks break apart from erosion they are transported by ...

Collectors of all ages have always been interested in rocks and the minerals that make them up. They come in countless shapes, sizes and colors. There are three main types of rocks: sedimentary, ...

Discover how rocks, minerals & the rock cycle change your world. Join the Science Trek team to explore rocks and minerals! Discover how the Earth formed, the three types of rocks, the rock cycle, and ...