This science and geology focused text set literally digs into the study of rocks and minerals and the layers of the earth that contain them. Bring a mix of science and social studies to life as students explore the samples that pair with this text set. Maybe even do some digging in your local area to see what rocks and minerals are right under foot. The study of rocks is aligned with standards beginning in grade 3 and continuing into high school science and social studies. The study of minerals begins in grade 6 and continues in high school geology.