Here's a breakdown:
* Rocks: Large, solid masses of Earth's crust.
* Minerals: Naturally occurring, solid substances with a specific chemical composition and crystal structure.
Think of it like this:
* A house is made of bricks.
* A brick is made of clay and other materials.
In the same way:
* Rocks are made of minerals.
* Minerals are made of elements.
Some common minerals in rocks include:
* Quartz (silicon dioxide)
* Feldspar (a group of minerals containing aluminum, silicon, oxygen, and other elements)
* Mica (a group of minerals that can be easily split into thin sheets)
* Calcite (calcium carbonate)
* Halite (sodium chloride - table salt!)
There are hundreds of different minerals, and they combine in various ways to create the amazing variety of rocks we see around us!
