Volcanoes, rock, desert, and mountains are all different types of landforms. Do you know how these many types of land take their shape? Learn about different forces that cause these shapes and the layers of the earth. See science at work in the real world and use what you learn to unlock a mystery about Earth and how its surface changes over time. Includes a note to caregivers, a glossary, a discover activity, and career connections, as well as connections to science history.