rocks and minerals
TRANSCRIPT
Minerals and Rocks (Minerales y rocas)
Minerals are natural materials
They can be on their own, parts of rocks, animal bones and shells
Minerals and Rocks
There are minerals on the Earth´s surface (la superficie).
There are minerals under the ground.(bajo la tierra)
Rocks
Rocks are made up of minerals
We dig mines (minas) to obtain rocks that are under the ground
We dig quarries (canteras) to obtain rocks that are on the surface.
Properties of minerals
Shape:
Regular
Irregular
Colour:
Properties of minerals
Shiny or dull?: (brillante o mate)
Pyrite is shiny
Chalk is dull
Hard or soft?:(duro o suave)
Gypsum is soft.
Diamond is hard.
Uses of minerals and rocks
To build buildings(edificios)
To make jewellery(joyeria)
To use as fuel (combustible)
Types of Minerals and Rocks
Minerals Rocks
Minerals…
• Are natural materials
• Are useful
• Are different (shape, colour, shiny/dull, hard/soft)
Rocks…
• Are made up of minerals
• Are found underground.
• Are found on the earth’s surface.
• Are useful.