Introduction: Word StudyglassaluminiumwoodbrickrubbersteelconcretemudplasticIntroduction – Activity 2 on Page 1First say things you know about the building material in the word box in Activity 2. Then choose one of the words in the box to complete the sentences in Activity 2.Answers:AluminiumSteelrubber, woodPlastic5. Bricks6. Concrete7. Mud8. Stone9. GlassIntroduction - Activity 3 on Page 1Work in pairs. Discuss what materials your school is made of / from. Then gues..