H. G. Wells: “History is a race between education and catastrophe”.

jueves, 5 de marzo de 2015

3º CC.SS. - TEMA 6 - Raw materials

Classify these raw materials (animal, vegetable, mineral or artificial): cotton, iron, plastic, rubber, sand, PVC, copper, zinc, milk, wool, coal, uranium, nickel, lead, oil, leather, linen, mercury, bauxite, kaolin, nylon.