Rock Cycle Crossword Puzzle Use your eleven vocabulary words to complete this puzzle. Across 2. This type of rock forms when magma cools. 3. The process by which a rock's structure or mineral composition is changed by heat or pressure. 4. This type of rock forms when lava cools. 8. The set of natural, repeating processes that form, change, break down, and re-form rocks. 9. Solid materials such as rock fragments, biotic remains, or minerals that are carried by water or air and that settle on the bottom of a body of water or on the ground. 10. The type of rock that forms as sediment is compressed and cemented together. 11. The process in which bonds between atoms in minerals break and re-form in different ways during metamorphism. Down 1. This type of rock forms as heat and/or pressure causes existing rock to change. 5. This type of rock forms as molten rock cools and solidifies. 6. A naturally formed solid that is usually made up of one or more types of minerals. 7. Flat or wavy parallel bands is a characteristic of most metamorphic rocks. 11 of 11 words were placed into the puzzle. Created by Puzzlemaker at DiscoveryEducation.com