Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Introduction -- Physical properties of magma -- Intrusion of magma -- Forms of igneous bodies -- Cooling of igneous bodies and other diffusion processes -- Classification of igneous rocks -- ...

If you like the deepest and oldest mysteries, find a metamorphic rock. These rocks form deep within the Earth under extreme conditions. Take any rock, subject it to great heat, pressure, or chemical ...