Changes

: Some '''rocksRock''' are is made of from [[grain|grains]] which are tiny pieces of rock with rounded edges that are stuck together.: Some '''rocks''' have [[Crystal|crystals]] inside them which are small shiny pieces of rock with grains that have sharp edges that . You can often see crystals because they are stuck togethershiny and sparkle like glitter.: Whether The shape of [[Grain|grains]] in the '''rock''' is made from [[Grain|grains]] or depends on how it was formed.: The size of [[Crystal|crystals]] also depends on how the '''rock ''' formed.: '''Rock''' formed at the bottom of a lake or the sea has rounded [[grain|grains]] inside it while .: '''rockRock''' formed near [[Volcano|volcanoes]] has lots of crystals.

|[[File:PictureLimestone.png|center|200px]]|[[File:PictureMudstone.png|center|200px]]|[[File:PictureSandstone.png|center|200px]]

| style="height:20px; width:200px; text-align:center;" |TextThis limestone has lots of rounded grains and was formed at the bottom of the ocean.| style="height:20px; width:200px; text-align:center;" |TextThis mudstone formed at the bottom a lake and has rounded grains.| style="height:20px; width:200px; text-align:center;" |TextSandstone is made of rounded grains of sand stuck together.

|[[File:PictureBasalt.png|center|200px]]|[[File:PictureGranite.png|center|200px]]|[[File:PictureQuartz.png|center|200px]]

| style="height:20px; width:200px; text-align:center;" |TextThis basalt has lost of very small crystals inside it and formed form a volcano.| style="height:20px; width:200px; text-align:center;" |TextGranite formed from magma stuck underground near a volcano and has crystals inside it.| style="height:20px; width:200px; text-align:center;" |TextQuartz is a very large crystal rock formed near volcanoes.