Natural material - online puzzles
Natural material
A natural material is any product or physical matter that comes from plants, animals, or the ground which is not man-made. Minerals and the metals that can be extracted from them (without further modification) are also considered to belong into this category. Natural materials are used as building materials and clothing. Types include:
Biotic materials
Wood (rattan, bamboo, bark, etc.)Plant fiber (coir, ramie, sisal, cotton, flax, hemp, jute, kapok, kenaf, moss, linen, abacá, etc.)Animal fiber (wool, silk, alpaca, camel, angora, cashmere, mohair, etc.)Inorganic material
Stone (flint, granite, obsidian, sandstone, sand, gems, glass, etc.)
Native metal (copper, iron, gold, silver, etc.)
Composites (clay, plasticine, etc.)
Other natural materials.
Soil
