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Mineral Jeopardy!
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Mineral Jeopardy! 10 20 30 40 50 Formation What’s a Mineral? I D
Mining & Uses BLT Chemistry 10 20 30 40 50
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Minerals are always in which state of matter? Category
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Solid.
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What does organic mean? Are minerals organic? Category
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Living. Minerals are INORGANIC.
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Particles lined up in a repeating pattern form what?
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Crystal Structure.
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To be classified as a mineral, there are 5 requirements. What are they?
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Naturally occurring Inorganic Solid Crystal structure Chemical composition
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Explain why Coal could be a mineral AND why it is not.
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Coal is NOT a mineral. It is a naturally occurring solid, but comes from plant matter, so it is ORGANIC.
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Name 2 major ways minerals form.
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1. By cooling of molten material
2. Evaporation when dissolved in solution
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What common mineral is found in dried lakes?
What is its chemical formula?
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Its chemical formula is Sodium Chloride - NaCl
Salt. Its chemical formula is Sodium Chloride - NaCl
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Molten material is known by two names. What are they and why?
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Magma is under ground, Lava is above.
Magma & Lava. Magma is under ground, Lava is above.
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Under what conditions do large crystals form?
Small crystals?
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Large: High temperature, slow cooling.
Small: Low temperature, fast cooling.
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What is a vein? How does it form?
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Channel of minerals that is different from the surrounding rock.
When solution crystallizes below the surface.
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There are 7 primary ways to identify a mineral. List 4 of them.
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Color Streak Luster Hardness Cleavage/Fracture Crystal Structure Density
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The scale that rates the hardness of minerals is called what?
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The Mohs hardness scale.
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Give three special properties a mineral might have.
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Fluorescence Magnetic Reacts to acid Generates electricity Radioactive
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What is the softest mineral on the Mohs hardness scale?
The hardest?
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Talc = 1 Diamond = 10
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Describe the differences between Fracture and Cleavage.
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Fracture is when something breaks irregularly.
Cleavage breaks along flat surfaces.
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Minerals valued primarily for their beauty are called what?
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Gemstones.
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A mineral deposit that contains a metal or is economically useful is called what?
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Ore.
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TauTona and the coal mines of Pennsylvania are what kind of mine?
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Shaft mine.
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The gold rush of 1849 brought thousands to the West
The gold rush of 1849 brought thousands to the West. What is this search for minerals called?
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Prospecting.
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Iron is an element. Why is steel different and what is this called?
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Steel is an alloy – a solid mixture of two or more metals (iron and carbon).
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List the 3 subatomic particles.
What is an atom? List the 3 subatomic particles.
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An atom is the smallest unit of an element.
The subatomic particles are Protons, Electrons, & Neutrons.
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What is an element?
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Substance composed of a single kind of atom.
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What are the differences between a compound and a mixture
What are the differences between a compound and a mixture? Give an example of each.
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Compounds are chemically combined whereas mixtures are not.
Compound = H2O Mixture = Trail mix
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What is the formula for density and its units?
Define DENSITY. What is the formula for density and its units?
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Amount of matter in a given space. D = mass divided by volume
Units are g/mL
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How many neutrons does Potassium have?
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Neutrons = Atomic Mass – Atomic #
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A mineral with a mass of 52g was put into a graduated cylinder
A mineral with a mass of 52g was put into a graduated cylinder. What is its volume and density? 90 60 10 30 80 70 70 60
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STOP
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Volume = 15mL Density = 52g/15mL 3.46g/mL 90 80 70 70 60
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