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 oxygento make a dull coat.

Both heat and electricity flow easily through metals

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

metals are tough and malleable (change shape easily)

tungsten melts at 3410 C

Mercury freezes at -40C

Uses of metals

Uses of metals

Uses of metals

Uses of metals

1p coins: steel coated with copper

Steel rusts quickly

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.

Uses of metals

Uses of metals

Uses of metals

Stainless steel does not rust, but it’s expensive.

Nickel and Chromium mixed with iron make this alloy.

Uses of metals

Uses of metals