A) Five things made of glass:
1. Drinking a glass
2. Glass bowl
3. Glass paperweight
4. Glass jar
5. Glass beaker
6. Round bottomed glass flask
B) Five things made of metal:
1. Metal metre scale
2. Metal box
3. Metal sheet
4. Metal cauldron
5. Metal pan
C) Five things made of plastic:
1. Plastic chair
2. Plastic comb
3. Plastic bottle
4. Plastic cup
5. Plastic bags
6. Plastic dish
D) Five things made of wood:
1. Wooden chairs
2. Wooden doors
3. Wooden tables
4. Wooden almirah
5. Wooden sheet
6. Wooden cot
7. Wooden cup-board