Activity-8: Decomposition To find out the rate at which different packaging materials decompose. Procedure Take 2 paper bags, 2 juice tetra packs, 2 potato chips pack, 2 ice-cream cups, 2 jute bag 2. Dig a pit in your home garden. 1. 3. Place the material in the pot and cover. 4. After 2 months dig up the soil and observe the items. S. Find out a) Which material decomposed the most? - b) Which remained unchanged? c) Conclude your observations critically.​