4.3 Teacher 4.3 Teacher Notes - Notes - Using Using

Material Material ResourcesResources

energy resourcesenergy resources – natural resources – natural resources that humans use to generate energythat humans use to generate energy

material resourcesmaterial resources – natural resources – natural resources that humans use to make objects or that humans use to make objects or consumables such as food or drinkconsumables such as food or drink

Wool comes from sheepWool comes from sheep Cotton comes from plantsCotton comes from plants Synthetic fiber comes from petroleumSynthetic fiber comes from petroleum Wood comes from treesWood comes from trees Bricks are made from clayBricks are made from clay Pipes can be made from petroleumPipes can be made from petroleum Cement is made from limestoneCement is made from limestone Glass is made from sandGlass is made from sand

The production of paper:The production of paper:1.1. Trees to woodTrees to wood

2.2. Wood to wood chipsWood to wood chips

3.3. Wood chips to pulp (mixed with water and Wood chips to pulp (mixed with water and other ingredients)other ingredients)

4.4. Pulp to paper (pulp is spread out, pressed, Pulp to paper (pulp is spread out, pressed, and dried)and dried)

5.5. Paper products (cut the dried paper)Paper products (cut the dried paper)