Uh oh! Resourcea is watching a gnome try to build a house out of water! That won’t work! We need to learn about all the Earth’s amazing materials and use them wisely. A) The Story of the Forest and Why We Must Look After Our Trees. B) You need to build a strong fence. Is it better to use strong wood from a tree or floppy leaves? C) Let's play a game: guess what material things are made from!