Biology and Geology.Teoría,
actividades y prácticas de laboratorio. 1º ESO Programa SELE • María
del Mar Vera Sánchez
Contents and activities
UNIT 3. The geosphere
3.2. USES OF MINERALS AND ROCKS
PRÁCTICA DE LABORATORIO Nº 4:
Reconocimiento de minerales y rocas.
The crust of the Earth consists essentially of rocks and minerals:
- Minerals are solids composed of one or more chemical elements.
- Rocks are unique combinations of minerals.
| MINERALS | USES | |
|---|---|---|
| Different minerals | Chemical, pharmaceutical and food industries. | INDUSTRIAL PROCESSES |
| Metals | Iron and lead. | |
| Quartz | To make glass and electrical components. | |
| Calcite | To make lime and cement. | |
| Clay minerals | To make ceramics. | |
| Gypsum | To make plaster. | |
| GEMS Diamonds, rubies and emeralds. |
JEWELLERY | |
| SEMI-PRECIOUS STONES Onyx, amber and turquoise. |
||
| NATIVE METALS Gold, platinum and silver. |
||
YouTube: Ter “3 MATERIALES que cambiaron el mundo: Acero, Vidrio y Papel” (from 7’30’’ till 9’52’’).
| ROCKS | USES |
|---|---|
| Limestone | To make cement. |
| Clay | To make bricks, ceramics and tiles. |
| Stones, sand, gravel, marble and granite. | Construction. |
| Coal and oil | For fuel. |
| Oil | To make fertilizers, plastics, solvents and synthetic fibers. |
