Simply put, a fossil is the remains or evidence of any creature or plant that once lived on the Earth.
Now let's look at the long answer.
Fossils-Facts-and-Finds
|
A colorful diagram depicting the rock cycle that includes a description of how the rock cycle occurs.
Classroom of the Future
|
Shows the Dana System of mineral classification. Good pics and descriptions.
rocksandminerals4u
|
A description of how rocks and minerals are formed, with great examples.
How Rocks and Minerals are formed
|