1
Rocks formed by others rocks that are transformed by high pressure and temperature
2
Rocks that contain remains of living beings that lived million of years ago, and are called fossils
3
We use this mineral in toothpaste
4
Your pencil is made up of.....
5
How a mineral reacts to be scratched
6
The hardest mineral in the Mosh scale
7
How light is reflected from the surface of a mineral: metallic or non metallic
8
Glass is made from this mineral
9
Solid substances, inorganic , not made by humans and with a definite chemical composition.
10
The Earths´core is mainly made up of...
11
The most abundant element in the Earth ́s crust
12
It was formed million of years ago when giant plants died and were buried
13
The first place in the Mohs scale
