Materials are used to make many everyday objects and come in natural and man-made forms. Wood comes from trees and is used for furniture, boats, and paper because it is stiff, can be shaped, and looks nice. Metal comes from rocks, is strong, hard, and smooth, and is used for cars, watches, and cutlery. Plastic is usually made from oil and is used for toothbrushes, chairs, and cups because it can be stiff or bendy and is easy to clean. Glass is made by heating sand and is used for bottles, windows, and glasses because it is hard, allows you to see through it, and is strong. Fabric comes from plants and animals and is used for