Igneous
Igneous rock is formed by.
What is molten magma or lava cools and becomes hard?
Give one defining characteristic for obsidian
What is black volcanic glass?
Rock term meaning beneath Earth's surface. term mean at or above Earth's surface.
What is intrusive and extrusive
Metamorphic rocks form in water and usually have layers.
What is False
TRUE or FALSE: If a rock is light-colored then the rock is likely LOW in silica
What is flase? Light-colored = HIGH silica
Sediment is moved by...
What is forces of erosion (wind, gravity, ice and water)?
What types of rocks change into metamorphic rocks?
What is any other type of rock (igneous, sedimentary, & metamorphic)?