Building material

I am made from limestone and clay. I am mixed with sand, gravel and water to make concrete. When it dries, it is very hard, strong and heavy. I am used to cover walls and floors to make them look better.

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I am made of clay, sand and lime, or concrete. I am strong and heavy. I am used for building the walls and the structure of the house.

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I come from trees. I am cut down into smaller shapes. This makes it easy to build with. I am used for creating support structures for roofs, floors and walls. I am also used for doors and window frames.

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I am made from clay. It is heated to make it hard. I can break easily. I am used to make tiles for roofs and floors. I am also used to make pipes like sewage and water pipes.

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I am a special kind of rock that looks nice. I am used to make tiles for floors, walls and stairs.

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I am made from silicon. You can see through me. I am used to make windows. I am used a lot in large buildings because I look very good.

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I am made from iron and carbon. I am very strong and is not very expensive. I am used to create the frame for buildings. I am used for very large buildings like factories.

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