Natural and synthetic materials
Natural materials are found in nature and used much as they are: stone, clay, wood, wool, cotton, sand. Synthetic materials are made by people from natural ones, and have new properties: glass from sand, plastic from crude oil, steel from iron ore, paper from wood. Most of the things around us today are synthetic.
Depth 1 · Foundation
You can tell a natural material from a synthetic one by asking whether it is found that way in nature, and name what some synthetic materials are made from.
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Foundation
You can tell a natural material from a synthetic one by asking whether it is found that way in nature, and name what some synthetic materials are made from.
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