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Construction (building) materials

Everything we use to make or build things has originally
come from the Earth
All construction materials except wood came from the
Earth's crust

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Houses

Whether you live in a house build last year or 100 years it will
largely built of, or from rocks

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Metals

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Metals such as aluminium and iron are made from ores
(containing salts of a metal)
The most common rocks used for building are limestone,
marble and granite




Limestone, marble and granite

Limestone Marble Granite
Sedimentary rock Metaphoric rock Igneous rock
Formed when small Formed when high Forms when molten
sea…

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Concrete

Concrete is made from cement, sand, rocks (stones) and
water
Cement itself is made from heating limestone and clay
Concrete is not very strong on its own to bear weight
because it bends slightly
Instead reinforced concrete is used
Re-enforcing is when a metal rod is set within the…

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The limestone cycle
Limestone made from bones of sea creatures (sedimentary)
Used to make concrete and glass




Marble chip
CaCO
Metaphoric



Thermal decomposition reaction, CO given off




Add more water - Limewater calcium hydroxide Ca(OH)


Quicklime (Calcium oxide) CaO (Heat strongly `limelight)




Used to neutralise soil

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Add more water - Water causes the chip to fizz and crumble

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