Recopilacion metals
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Transcript of Recopilacion metals
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METALS
1. How many metals are known today?86 metals are known today.
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2. What was the first metal discovered?The first metal discovered was gold.
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3. What is the most abundant metal on Earth?The most abundant metal on Earth is aluminium.
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4. What is the science of metals and alloys?The science of metals and alloys is metallurgy.
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5. What is a mixture of metals and non-metals to form a new substance?The mixture of metals and non- metals it’s called alloy.
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6. What is a factory that heats metal up to a liquid form so it can be poured into a mold?It’s called foundry.
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7. What is heating a metal shape to shape it, without getting it to a liquid state called?It’s called forging.
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8. What is lengthening a metal by flattening it called?The lengthening a metal by flattening it is called drawing.
Drawing is also:
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9. What is called when a metal contains iron?When a metal contains iron is called ferrous.
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10. What is the thickness of metal measured in?The thickness of a metal is measured in gauge.
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11. What is used to hammer metal?It’s used a hammer called ball-peen hammer.
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12. What is used to cut a heavy metal bar?It’s used a type of knife called shear.
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13. What is used to make a circle from a metal bar?It’s used a scroll bender.
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14. What would you do if you didn’t want a seem?I will weld it.
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15. What would you do if you didn’t want to use heat?I will bolt it.
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16. What do you use in electrical devices?I will use a solder.
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17. What is the most common solder made out of?It’s used tin and lead.
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18. What is used to clean an connection before soldering?It’s used a flux.
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19. What is bigger, a higher awg or lower awg?It’s a lower.
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20. What is cleaning the soldering iron tip by melting solder on it called?It’s called tinning.