THEY+4.3

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Vocabulary

 * gemstone:** a very solid and colorful mineral a great type of luster
 * ore:** a rock which contains a metal or a useful mineral
 * smelting:** a process when melting an ore to seperate useful metals from the elements
 * alloy:** a solid in which it is made of two or more metals

Outline

 * The Uses of Minerals**
 * Minerals can makeup many objects such as metals, gemstones, and more
 * minerals usually surprise people of what they could make up


 * Gemstones**
 * people have created ideas for minerals through the ages such as gemstones
 * gemstones are hard and colorful minerals in which people like to carry around
 * these types of minerals are really rare in many ways, it also it has a shiny luster


 * Metals**
 * many minerals are known as metals
 * these metals are known as iron, aluminum, copper, silver, and gold
 * metals can be useful in many ways, such as being streched into wire


 * Other Useful Minerals**
 * in the world there are different kinds of metals in minerals that are useful, like metals in foods, medicines, fertilizers, and building materials
 * powder of minerals can also make up something


 * Ores**
 * ores are certain types of minerals that also contain metals in the substance
 * these ore are not exactly purified when found like other minerals


 * Prospecting**
 * a person who prospects is a person who is working to find an ore deposit
 * prospectors are people who observe the rocks of land if they are minerals or not


 * Mining**
 * In the world there are three types of mining
 * the three types of mining is strip mining, open pit mining ,and shaft mining
 * these types of mining have special effects to them, like open pit mining can remove ore deposits in the area
 * strip mining has earth moving equipment scape off soil in order to expose the ore
 * finally, the shaft mining has a network of tunnels that is extended, following the veins of ores


 * Smelting**
 * smelting is a process in which metals are removed from ores in order to seperate useful minerals from the metals
 * the way of smelting is doing this process with boiling heat
 * after smelting results to steel in which is an alloy(made of two or more metals)