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Rocks are all around us: in our backyards, on mountains, in rivers and oceans, on the beaches, at the lakes, under the ground, in volcanoes, etc. Can you think of a place where you have seen rocks?
Smaller rocks are called pebbles.
Rocks can be crushed into even smaller rocks called gravel. Have you seen a gravel road?
Sand is used in concrete and bricks.
Sand is used in glass like windows, and the walls of homes. It is called sheetrock.
Rocks can be made into silt which has very small pieces of rocks in it.
Over time, rocks can erode and mix with minerals. This forms into clay. The rocks in the clay are very, very, tiny.
Many buildings are made from rocks and stones.
Some homes are made of rocks and stones.
Headstones can be made of granite, a type of rock, or concrete.
Columns and pillars can be made of rocks and stones which are held together with mortar.
Silt is used to make bricks Clay is used to make and concrete. pottery such as bowls and plates. Also, clay is used to make bricks.
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