It is quite soft as it is formed in layers and cemented together and example is limestone.
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What is metamorphic rock?
It is quite hard as it is formed when limestone is changed by heat and pressure and is typically composed of an interlocking mosaic of carbonate crystals, an example of this is Marble.
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What is igneous rock?
It is very hard and is formed when magma cools and solidifies it has interlocking crystals,
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Thermal decomposition
Is a reaction where one substance breaks down on heating to give at least two new substances.
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What is the word and symbol equation for the thermal decomposition?
Calcium carbonate Calcium oxide + Carbon dioxide
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How is concrete made?
Mixing cement, sand and small stones withe water.
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What is reinforced concrete and why is it better?
It is when a steel bar is placed through concrete making it stronger and more flexible.
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Other cards in this set
Card 2
Front
What is metamorphic rock?
Back
It is quite hard as it is formed when limestone is changed by heat and pressure and is typically composed of an interlocking mosaic of carbonate crystals, an example of this is Marble.
Card 3
Front
What is igneous rock?
Back
Card 4
Front
Thermal decomposition
Back
Card 5
Front
What is the word and symbol equation for the thermal decomposition?
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