I WONDER - What Are Igneous Rocks?

Igneous rocks form when magma cools and solidifies, either underground or on the Earth's surface. Underground, large crystals form, while surface cooling results in tiny crystals. These rocks can be glassy or rough, with granite and basalt as examples. Igneous rocks are often used in countertops and statues.

What are the characteristics of igneous rocks?

Can you name some examples of igneous rocks?