__________________ of rock occurs through
physical, and chemical processes. Grains are
worn away from the surface of the rock.
If an organism has died and has rested on the
bottom of the river, lake or sea, it becomes
buried by the grains. The sediment is deposited
in lots of layers under huge pressure in a
process known as __________________.
Grains are transported either by wind,
____________ or ice. This is called
___________________.
_____________________ of the grains occurs
when the minerals crystallize to ‘glue’ them
together.
The transported grains are known as
____________________. They are left at the
bottom of rivers, lakes and seas in a process
known as ___________________.
Once this has happened, the
_____________________ rock has finished
forming. If the remains of an organism were
left behind, they will form a ______________.
Key word list
cementation, compaction, deposition, erosion, fossil, sediment, sedimentary, water, weathering