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USES OF METALS

USES OF METALS. Metals all have similar properties eg have high melting points They are all solid at room temperature except for mercury!. Most metals are dull on the surface, but shiny when cut or polished. The metal surface reacts with oxygen to make a dull coat.

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USES OF METALS

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  1. USES OF METALS

  2. Metals all have similar properties eg have high melting points They are all solid at room temperature except for mercury!

  3. Most metals are dull on the surface, but shiny when cut or polished. The metal surface reacts with oxygen to make a dull coat.

  4. Both heat and electricity flow easily through metals

  5. Steel is a very strong metal. It is made when iron is mixed with carbon.

  6. metals are tough and malleable (change shape easily) tungsten melts at 3410 C Mercury freezes at -40C

  7. Uses of metals

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  11. Uses of metals 1p coins: steel coated with copper Steel rusts quickly

  12. Uses of metals Aluminium is a very lightweight metal. It has a low density and does not easily corrode. Pure aluminium is weak and soft. Aluminium and magnesium alloy is stronger, harder and stiffer.

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  15. Uses of metals Stainless steel does not rust, but it’s expensive. Nickel and Chromium mixed with iron make this alloy.

  16. Uses of metals

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