Rocks are often sorted by their main characteristic, which is .......................

Rock can be changed by heat, pressure, or both. Rock that forms this way is called.......

Diamond is the hardest mineral.

............................ are lines of mountains connected by high ground.

........................are steep rock faces at the edge of a body of water.

Earth’s surface is divided into .........................., which are made up of rock.

As the plates crash together, mountains and volcanoes form.

Seafloors have ridges, which are like ..........................................

Which rocks form from molten rock, or magma.

Which rock forms from particles in the environment that settle to form layers.

Gray or white limestone is made from ..............................

Rock can be changed by heat, pressure, or both. Rock that forms this way is called ...............................

............................ such as rain, can change rocks into bits o f rocks.

Minerals that break along smooth, flat surfaces have ..........................

............................is a mixture of rock particles, air, water, and decomposing matter.