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10
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The moths scale of hardness is tool used to .....................
measure the hardness of mineral.
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10
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Minerals are solid, inorganic and natural. Explain two more characteristics of minerals
They have a definite chemical composition and a crystalline structure
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10
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Pyrites looks and feels like real gold. A mineralogist can tell the difference by looking a special properties.
Gold is much heavier and harder to scratch. When rubbed on procelain, pyrite leaves a balck streak of powder where as gold leaves a yellow strike.
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trap
No points!
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gold
Win 50 points!
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gift
Win 10 points!
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lifesaver
Give 20 points!
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10
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What's the highest hardness on Mohs Hardness scale?
10 Diamond
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10
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What is "luster"?
How shiny a mineral is
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10
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What is the "streak" of a mineral?
Streak is the color left behind when mineral is scratched against a porcelain tile.
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10
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From rocks, we mine minerals. How do we use them?
Food, jewellery, tools.
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10
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What is a "mixture of different minerals"?
a rock
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eraser
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gift
Win 15 points!
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gift
Win 15 points!
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baam
Lose 20 points!
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seesaw
Swap points!
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gift
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fairy
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25
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baam
Lose 25 points!
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10
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Rocks are made of ****** which can be made up of one or many ********.
minerals
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10
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****** does not have a hardness rating because of its unusual charateristic of being liquid at room temperature.
Mercury
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10
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Minerals are non-living things, we call them *****
inorganic
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thief
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25
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star
Double points!
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gift
Win 5 points!
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thief
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10
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What are the examples of mineral?
Salt, gold, lead, diamond
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