Matching Pairs MATERIALSOnline version MATERIALS by Luz Álvarez Herrero 1 STEEL 2 PLASTIC 3 MATERIAL BURNS 4 CHALK 5 METAL 6 ELASTIC 7 DIAMOND 8 SUGAR 9 WOOD 10 FOLD PAPER 11 WATER 12 GLASS SOLUTE TOUGH FRAGILE THERMAL INSULATOR EASY TO BEND THERMAL CONDUCTOR SOFT CHEMICAL CHANGE GO BACK TO THEIR SHAPE PHYSICAL CHANGE SOLVENT HARD