https://www.khanacademy.org/science/middle-school-earth-and-space-science/x87d03b443efbea0a:the-geosphere/x87d03b443efbea0a:the-rock-cycle/v/the-rock-cycle 2026-06-30T17:20:49.845080165Z The rock cycle The rock cycle describes how the three main rock types—igneous, sedimentary, and metamorphic—change from one type to another. These changes occur through processes such as melting, solidification, and lithification. The rock cycle is driven by energy from Earth's interior and the sun. Khan Academy video https://cdn.kastatic.org/ka_thumbnails_cache/145f367c-5639-493e-8d15-997b39336dd6_1280_720_base.png The rock cycle The rock cycle describes how the three main rock types—igneous, sedimentary, and metamorphic—change from one type to another. These changes occur through processes such as melting, solidification, and lithification. The rock cycle is driven by energy from Earth's interior and the sun. https://cdn.kastatic.org/ka-youtube-converted/rmH4W92eHVM.mp4/rmH4W92eHVM.mp4 284 The rock cycle https://www.khanacademy.org/science/grade-6-science-tx/x6eddf2e1c524bf5a:earth-s-systems-and-structure/x6eddf2e1c524bf5a:the-rock-cycle/e/understand-rock-cycle-TEKS6 2026-06-30T17:20:49.845080165Z Understand: Rock cycle Check your understanding of the rock cycle in this set of free, standards-aligned practice questions. Lauren Rosebrugh exercise