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5. Ores

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Some rocks are called ores

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Vocabulary:

ores

A mineral or a rock that has enough metal in it to make it

worth mining

Most ores are found in beds with rocks of little value

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But others are deep within the ground

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Ore beds close to the surface are easy to mine

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Some ores contain metals like iron and copper

Metals are usually shiny substances

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Iron and copper can transfer heat and electricity easily

Some metals can be pounded flat or pulled into wires without

breaking

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This means they are malleable

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Vocabulary:

malleable

Easily hammered or shaped without breaking

Lead, gold, and aluminum are metals found in ores

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Metal ores are important because so many products are

made from them

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From gold, we make jewelry and fillings for teeth

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Lead is used to make pipe

Copper is used to make wire

Aluminum is used to make airplanes, cans, foil, cooking

pots, and motors

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Iron is used to make steel

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Which in turn we then can make stainless steel

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Some ores contain minerals like sulfur and graphite

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Sulfur is important because it is used in making medicines and

fertilizers

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Graphite, a form of carbon, is the “lead” in most

pencils

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