Igneous Rocks - Free Printable

- I: Igneous rocks form from cooled magma or lava.
- G: Granite is a common example of an intrusive igneous rock.
- N: New rock forms when molten material solidifies.
- E: Extrusive igneous rocks cool quickly on the Earth's surface.
- O: Obsidian is a glassy igneous rock formed from rapid cooling.
- U: Under the Earth’s surface, magma cools slowly to form large crystals.
- S: Slow cooling creates coarse-grained textures in intrusive rocks.
- R: Rocks like basalt are extrusive and fine-grained.
- O: Often found near volcanoes or mid-ocean ridges.
- C: Created under intense heat and pressure from volcanic activity.
- K: Key characteristics include mineral composition and crystal size.