generally light- colored rock that has high silica content
one of the common minerals that make up most of the rocks of Earth's crust
dark colored-rock, low silica content
particles of minerals or other rocks
look and feel of rock's surface
forms from cooling of magma or lava
forms when particles of other rocks or the remains of plants and animals are pressed and cemented together
forms when existing rock is changed by heat, pressure, or chemical reactions
igneous rock formed from lava that erupted into earth's surface
igneous rock that formed when magma hardened beneath earth's surface
small, solid pieces of material that come from rocks or living things
running water, wind, or ice loosen and carry away fragments of rock
process by which sediment settles out of the water or wind carrying it
process that presses sediments together
process in which dissolved minerals crystallize and glue particles of sediments together
sedimentary rock that forms when rock fragments are squeezed together
forms where the remains of plants and animals are deposited in thick layers
forms when minerals that are dissolved in a solution crystallize
structure formed from skeletons
mettamorphic rocks that have their grains arranged in parallel layers of bands
mineral grains in rocks arranged randomly
series of proccesses on earth's surface and in the crust and mantle that slowly change rocks from one another
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.