Chemicals From Rocks Flashcards
What is the definition of a mineral?
A mineral is a single substance.
What is the definition of a rock?
A rock is a substance made of one or more minerals.
Name two examples of sedimentary rock.
Sandstone
Limestone
Name two types of igneous rock.
Granite
Basalt
Name two types of metamorphic rock.
Marble
Slate
What type of weathering is caused by acid rain reacting with rocks?
Chemical weathering.
What types of weathering is caused by roots pushing through rocks, causing them to crack?
Biological weathering.
How is igneous rock turned int sedimentary rock?
Weathering and erosion.
Sediments——-> sedimentary rock?
Compaction and cementation.
Sedimentary rock—->Metamorphic rock
Heat and pressure.
Metamorphic rock——>Magma
Melting.
Magma——->Igneous rock
Cooling.
Name one example of an igneous rock at home.
Pumice.
Name one example of a sedimentary rock at home.
Coal.
Name one example of a metamorphic rock at home.
Marble benchtops
How does freeze thaw work?
Freeze thaw is when water gets into tiny cracks in the rocks. The water freezes and expands at night time creating more cracks in the rock, this process continues until eventually the rock falls apart.
What happens when malachite is heated?
It goes from green to black.
