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Recopilacion metals
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Recopilacion metals

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  • 1. METALS1. How many metals are known today?86 metals are known today.
  • 2. 2. What was the first metal discovered?The first metal discovered was gold.
  • 3. 3. What is the most abundant metal on Earth?The most abundant metal on Earth is aluminium.
  • 4. 4. What is the science of metals and alloys?The science of metals and alloys is metallurgy.
  • 5. 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.
  • 6. 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.
  • 7. 7. What is heating a metal shape to shape it, without getting it to a liquid state called?It’s called forging.
  • 8. 8. What is lengthening a metal by flattening it called?The lengthening a metal by flattening it is called drawing.Drawing is also:
  • 9. 9. What is called when a metal contains iron?When a metal contains iron is called ferrous.
  • 10. 10. What is the thickness of metal measured in?The thickness of a metal is measured in gauge.
  • 11. 11. What is used to hammer metal?It’s used a hammer called ball-peen hammer.
  • 12. 12. What is used to cut a heavy metal bar?It’s used a type of knife called shear.
  • 13. 13. What is used to make a circle from a metal bar?It’s used a scroll bender.
  • 14. 14. What would you do if you didn’t want a seem?I will weld it.
  • 15. 15. What would you do if you didn’t want to use heat?I will bolt it.
  • 16. 16. What do you use in electrical devices?I will use a solder.
  • 17. 17. What is the most common solder made out of?It’s used tin and lead.
  • 18. 18. What is used to clean an connection before soldering?It’s used a flux.
  • 19. 19. What is bigger, a higher awg or lower awg?It’s a lower.
  • 20. 20. What is cleaning the soldering iron tip by melting solder on it called?It’s called tinning.

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