Question
click below
click below
Question
Normal Size Small Size show me how
minerals and rocks
vocab words
Question | Answer |
---|---|
igneous rock | when hot magma cools and hardens, it forms |
lava | when magma reaches earth's surface and flows from volcanoes its called |
intrusive | rocks that form from magma below the surface |
extrusive | rocks that are formed as lava cools on the surface of earth |
basaltic | describes dense, dark-colred igneous rock formed from magma rich in magnesium and iron and poor in silica |
granitic | describes generally light-colored, silica-rich, igneous rock that is less dense than basaltic rock |