Rocks
Enter the number from the column to the left into the text box next to the appropriate word in the right-hand column.

1. naturally occurring molten materials below the surface of the Earth magma
2. rock changed by pressure and heat to a different type of rock igneous rock
3. magma ejected from the crust rock
4. small grains of matter deposited on land or under water sediment
5. an inorganic substance with a crystalline structure and a specific chemical composition mineral
6. a naturally occurring inorganic solid composed of minerals and/or non-minerals lava
7. rock formed by cooling lava or magma sedimentary rock
8. rock formed by the presssure of gravity on deep layers of sediment metamorphic rock



Note: this website only uses cookies for session identification. However, we do not use crackers on this website. Not that there's anything wrong with crackers, but after one or two session cookies, we really don't need the extra calories.