rocks and minerals

1. rocks

1.1. sedimentary rocks

1.1.1. sediments glued together

1.1.1.1. types: clastic, chemical,organic

1.1.1.2. eg: limestone, breccia, sandstone

1.2. metamorphic rocks

1.2.1. formed by heat that causes crystals to expands

1.2.1.1. eg:marble, gneiss,phyllite

1.2.2. types: formed by heat, formed by pressure

1.3. igneous rocks

1.3.1. formed from cooling lava

1.3.1.1. eg: granite, basalt, diorite

1.4. uses: used in masonry work, used as aggregates in concreate, limestone is used in the making of cement, some are used for water and sewage treatment.

2. minerals

2.1. atom(protons & neutrons

2.1.1. elements(smallest particle is an atom)

2.1.1.1. molecules( combinations of atoms)

2.1.1.1.1. compound: combinations of elements

2.1.1.2. eg: sodium, chlorine

2.2. eg: sulfur, quartz, feldspar, halite

2.3. uses: some are used in constructions, some are used to produce energy, some are used as jewelry, used in industries as raw materials.