NSTECH GRADE 5 TERM 2 CONTROLLED TEST 1.4 is an example of processed material. A. Stone B. Glass C. Wood D. Cotton (1) 1.5 Why is aluminum the best metal to build aeroplanes? Because aluminum is a. ............. A. Hard metal B. Heavy metal C. Strong metal D. Light metal (1) [5] QUESTION 2 State whether the following statements are TRUE or FALSE. Write only the TRUE or FALSE next to the number of the statement. 2.1 Metal is a good heat conductor. 2.2 Non-Metals can be hammered into shape. 2.3 Processed materials are the materials that have been changed in some way to get new properties. 2.4 Plaster of Paris is a white powder that can quickly become hard when mixed with water. 2.5 Clay is one of the materials that is waterproof. [5]