Earth's+Crust+5

Vocabulary
Lustre- The light-reflection properties, or "shininess," of minerals.

Colour-The colour of a mineral can also be a clue to its identity. In addition, not all minerals are the same colour all the time. Streak-The colour of a mineral in powdered form; a property useful in the indentification of minerals. Cleavage and Fracture-Cleavage and fractures are minerals properties that discribe the way minerals breaks when stressed. Minerals-An inorganic,naturally occuring solid materal; minerals can be either elements (pure substances) or componds (two or more substances combined)

Questions
1. What is colour? 2. What is lustre? 3. What is streak? 4. What is cleavage and Fracture? 5. What is minerals? 6.What is the softest mineral? 7.Why are minerals so important? 8.What is the hardest mineral? 9.What is rock? 10.You body needs how many diffrent kind of elements found in a mineral?

Rocks, Minerals, and Soil
Rocks, minerals, and soils have different properties. The properties are color, lustre, streak, cleavage, and fracture. Colour is, The colour of a mineral can also be a clue to its identity. In addition, not all minerals are the same colour all the time.

Lustre is, The light-reflection properties, or "shininess," of minerals.

Steak is, The colour of a mineral in powdered form; a property useful in the indentification of minerals. Cleavage and Fracture is, Cleavage and fractures are minerals properties that discribe the way minerals breaks when stressed.

Minerals is, An inorganic,naturally occuring solid materal; minerals can be either elements (pure substances) or componds (two or more substances combined)

The softest mineral is talc.

The reason why minerals are so important is because, as you seen so far, minerals have certain properties that make them valuable and useful.

The hardest mineral is dimond.

Rock is made up of one or more pure, naturally occuring, non-living solid materals called minerals.

Your body needs 20 diffrent kind of elements found in a mineral.

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