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