Looking for the decomposition rates of usual household item... orange peel, cigarette butts, aluminum foil...?

Question

working with kids teaching environmental ed and i want to do an activity comparing decomposition rates of various things... anyone help?? orange peels, cigaretted butts, aluminum, shoe soles, meat, plastic bag, treated wood (for decking), plastic bottles, any other cool typical items that kids as young as 6 years would recognize. thanks for the help geniuses! i havent found much useful stuff on the web.

Answer 1

Banana peel, 2 – 10 days

Cotton rags, 1 – 5 months

Paper, 2 – 5 months

Rope, 3 – 14 months

Orange peels, 6 months

Wool socks, 1 – 5 years

Cigarette filters, 1 – 12 years

Styrofoam cup, 1 – 100 years

Tetrapaks (plastic composite milk cartons), 5 years

Plastic bags, 10 – 20 years

Leather shoes, 25 – 40 years

Nylon fabric, 30 – 40 years

Plastic six-pack holder rings, 450 years

Diapers and sanitary pads 500 – 800 years