7.91MB For hands-on activities involving rocks, soil, fossils, earthquakes, and volcanoes that connect science with real life, choose Geology. The Earth has layers The Earth's crust is made of rock and soil. Soil is made when rocks break down and mix with decaying plants.
Rocks have different properties.
Rocks are formed in different ways. The surface of the Earth is always changing. The resources we use come from the Earth. Illustrated throughout with fun, yet accurate line art. All 80 pages perforated for easy removal.