The rock cycle is a series of processes that create these different types of rocks in Earth's crust. Igneous rocks are one of the three types of rocks formed from the rock cycle.

What are intrusive igneous rocks? How are they formed? Learn about igneous rocks and the difference between intrusive and extrusive igneous rocks. See various examples.

Granite is an intrusive igneous rock. Granite formed when magma from the Earth's mantle rose to the surface, but did not quite break through. Instead, it cooled slowly in a pocket of Earth just ...

The rock life cycle is the natural Earth process of how rocks form and convert between types. There are three types of rocks. The three types of rocks are igneous rocks, metamorphic …

An igneous rock is a rock formed as molten magma cools and solidifies. An extrusive igneous rock is an igneous rock formed on the surface of the Earth as magma turns to lava and the …

In this lesson, learn about extrusive igneous rocks. Discover how extrusive rocks form, extrusive igneous rock characteristics, and see extrusive rock examples.

Basalt rock is made from volcanos, as it forms from lava that rapidly cools above the surface. Basalt is a type of extrusive igneous rock that gets its dark color from the composition of its …

Igneous rocks are created when lava cools and becomes hard. Learn how igneous rocks are formed and discover the two types of igneous rocks: intrusive and extrusive.

Learn all about the types of igneous rocks in this engaging video lesson for kids. Explore how these rocks form and test your knowledge with a quiz at the end.

Learn the igneous definition and see what makes igneous rocks. Compare plutonic vs. volcanic rocks and see how they form with volcanic and plutonic rocks examples.