Materia mineral

Páginas: 2 (451 palabras) Publicado: 26 de marzo de 2012
INVESTIGACION

1. What is Mineral Matter?
R: Mineral matter consists of elementary particles (atoms and molecules) that the group give rise to two types of structure:

Amorphousstructure: when the particles are placed in space in a disorderly way.

CRYSTAL STRUCTURE: when the particles are sorted according to defined geometric shapes. Bodies represent this structure arecalled crystalline. Sometimes they can also represent a more or less geometric lens.

Crystals are natural polyhedral with flat surfaces called faces, formed between certain angles.

To form acrystal particles are composed of mineral matter in the vapor state. When transferred to the solid state crystallization occurs. Crystal formation requires three factors: time sufficient rest and adequate space.

2.What is Organic Matter?
R: The organic material comprises animal or vegetable residues. These substances commonly found in soil and contribute to their fertility. In fact, if a soil is suitable foragricultural production, should have a good level of organic matter: otherwise, the plants will not grow.

Organic matter is a major component of household waste. Food scraps, fruit peels,leaves are collected from the garden and dirty diapers, for example, are composed of organic matter.
3. What is Inorganic Matter?
R: The inorganic matter is not made of carbon and is produced by livingbeings, but by the nature (chemical reactions). They are small and simple molecules, such as salts, minerals, chlorides, etc.

All living things are made ​​of a mixture of organic and inorganic. Bothare necessary because they play a key role in our lives.

The inorganic matter was found in minerals such as water, salts and carbon dioxide.
4. What the Composition of the Earth’s Crust?
R:The crust is the outer rock layer of the Earth which is part of the ground. It is comparatively thin, with a thickness ranging from 7 km in the ocean floor, up to 70 km in the mountainous...
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