Natural material - online puzzles
A natural material is any product or physical matter that comes from plants, animals, or the ground. 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.)
Natural fiber ( silk, wool, cotton, flax, hemp, jute, kapok, kenaf, moss, 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.
