Rocks Crossword Puzzle

QUESTIONS LIST:

• granite : what igneous rock is great for climbing?
• limestone : what type of sedimentary rock forms under water?
• slate : metamorphic rocks that are made of thin layers of minerals are called _ .
• heat : what helps make metamorphic rock other than soil?
• extrusive : igneous rocks that cool on the outside of the earth are called _ .
• magma : igneous rocks that are formed underground are made from _ .
• crust : all rocks form under the _ .
• conglomerate : what sedimentary rock is held together by different types of rock?
• pumice : what igneous rock has lots of holes in it?
• igneous : rocks that are formed by lava or magma are called _ .
• minerals : all rocks have two or more _ .
• lava : extrusive rocks are made by what substance?
• intrusive : igneous rocks that cool inside the earth are called _ .
• obsidian : what igneous rock has no crystals, is smooth, and is smooth?
• layers : sedimentary rocks have lots of _ .
• waves : rocks are turned into sand by ocean _ .
• gneiss : what metamorphic rock is made of minerals pressed together?
• metamorphic : what rock is made when rocks squeeze together by heat and other rocks?
• igneous : rocks made from lava or magma are _ rocks.
• sandstone : what rock is made from sand layers are pushed together?