Pieces ==Key Stage 4=====Meaning==='''Sediment''' is the pieces of [[rock]] and small rock [[Grain (ChemistryRock)|grains]] dropped to the bottom of [[river]], [[Lake|lakeslake]] s and [[Sea|seassea]]s. ===References=======AQA==== :[https://www.amazon.co.uk/gp/product/0008158762/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158762&linkCode=as2&tag=nrjc-21&linkId=a0fffa35b3ea49a63404f6704e0df7cc ''Sediments, page 296, GCSE Chemistry; Student Book, Collins, AQA '']