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Mineral Resources
Question | Answer |
---|---|
Uses clues on the land's surface to tell if there are ores below | prospector |
During the smelting process, mixtures are heated in a ______________ to separate it from the ore. | blast furnace |
What are the three main types of mines? | strip mines, shaft mines, pit mines |
When a mineral cools quickly, are the crystals larger or smaller? | smaller |
Is mining usually good for the land and the environment? | no |
Are minerals used to make some foods and medicines? | yes |
Are ores immediately ready to be sold and used after they are mined? | no |
When a mineral cools slowly, are the crystals larger or smaller? | larger |
What are the two ways minerals are formed? | crystallization of melted materials and materials dissolved in water |
Are some minerals used to making fertilizer and cleaning products? | yes |
What is the process used to separate the useful metals from an ore? | smelting |
a rock that contains a metal or useful mineral | ore |
Are some minerals used to make building materials? | yes |
Are all minerals gemstones? | no |
In the first step of the smelting process, what has to happen to the ore? | Mix it with something to help it separate |