Rockin Crossword

4. Igneous rock that forms when lava erupts, or extrudes, onto Earth’s surface
6. The chemical make up of a rock; describes either the minerals or other materials in rock
9. a rock that forms from other rocks as a result of intense heat, pressure, or chemical processes
12. the natural process by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose rocks
13. the series of processes in which rock forms, changes from one type to another, is broken down or melted, and forms again by geologic
14. type of sedimentary rock that forms when sediments are buried, compacted, and cemented together by calcite or quartz
15. type of sedimentary rock that forms from the remains or fossils, of once-living plants and animals

1. the quality of a rock that is based on the sizes, shapes, and positions of the rock’s grains
2. what happens When magma pushes into, or intrudes, surrounding rock below Earth’s surface and cools, the rock that forms
3. Metamorphic rocks that do not have mineral grains that are aligned in planes or bands
5. a rock that forms from compressed or cemented layers of sediment
7. The metamorphic process in which mineral grains are arranged in planes or bands
8. rock that forms when magma cools and solidifies
10. type of sedimentary rock that form when water, usually seawater, evaporates
11. a naturally occurring solid mixture of one or more minerals or organic matter