Igneous Rock Crossword Puzzle
Download and print this Igneous Rock crossword puzzle. Use a pencil or pen to complete the puzzle by filling in the blanks. The completed answers are included, so you can easily check your progress.
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QUESTIONS LIST:
- igneous rocks : rocks formed when magma cools and becomes solid.
- magma : hot, molten rock found beneath the earth's surface.
- lava : magma that has reached the earth's surface.
- molten : a word used to describe rock that is hot and liquid.
- crystals : mineral structures that grow as magma cools.
- granite : an intrusive igneous rock with large crystals formed by slow cooling underground.
- basalt : an extrusive igneous rock formed when magma cools near the earth's surface.
- obsidian : a glassy igneous rock formed when magma cools very quickly.
- intrusive : describes igneous rocks that form underground from slowly cooling magma.
- extrusive : describes igneous rocks that form when lava cools quickly at the earth's surface.
- volcano : an opening in the earth's crust where lava erupts.
- cooling : the process that causes magma to lose heat and become solid rock.
- solidifies : what magma does when it cools and turns into rock.
- minerals : substances found in magma that help determine which type of rock forms.
- surface : the outer layer of the earth where lava flows after an eruption.
- underground : the area beneath the earth's surface where intrusive rocks form.
