Science Rocks! Crossword Puzzle

QUESTIONS LIST: obsidian : volcanic rock, dark, looks shiny, basalt : volcanic rock, very dusty, shale : has some layers, made from different materials, gneiss : has many colors morphed together, granite : often used at countertops in homes, schist : has different layers, was morphed, marble : made up of little minerals, is formed by heat and pressure, conglomerate : made up of sediments and smaller rocks, sandstone : made of sand, pumice : has holes, can be used to clean household items like a toilet or oven, sedimentary : rocks that are made from other materials, igneous : rocks made from magma/volcanoes, weathering : process of rocks breaking down, metamorphic : rocks that have been changed by heat, wind, or pressure, erosion : the movement of broken down rock/materials