Metals can float or sink, be hard or soft, and come from rocks. They can be used to make many things. Wood comes from trees, whose growth rings show age. Soft wood grows slowly while wood is generally strong.

1. materialsBy Mohammad. B

2. MetalMetal can float and metal can sink. Metal can be hard and soft. Metal comes from rock. Metal can be make lots of things.

3. WoodWood comes from trees.The lines tell us how old the tree is. Soft wood grows slow. Wood is strong.