We can recycle all kinds of items, such as batteries, glass, metal, paper, and plastics.
The boards should be cut the same length as the plastic bin. Some hardware or lumber-supply stores will cut the wood for you. If possible, make a few squares from each product to test. You may want to save some extra pieces to compare with the composted squares later.
How are the products similar to each other and how are they different? Tightly and securely tie a string to each test item. You may need to cut a slit in the item to tie a string securely to it. You can use buckets for this. Good brown scraps include: Collect as many or few different kinds of brown scraps as you like.
How are the brown scraps similar? Good green scraps include: Again, collect as many or as few different types of green scraps as you like. How are the green scraps similar? Anything treated with pesticides or other chemicals, nonbiodegradable plastics or synthetic fibers, meat, fish, bones, dairy products, potato peelings, garlic, watermelon rinds, oils, diseased plants, weeds with seeds, weed roots, dog or cat manure, disposable diapers, glossy paper or magazines, charcoal or cat litter.
Space the two wooden boards evenly across the inside of the tray. On top of the boards place your bin so that it is stable.
As you add them, shred or cut the scraps so none are longer than two inches. Again, shred or cut the scraps. When you have filled the bin about half full and are making a brown layer, include your test product squares in that layer between brown scraps.
Space the squares so none are touching one another or the bin.
Hang strings from squares of the same product on the same side of the bin so you can keep track of them. Your indoor composter is now all set up!
You can also carefully dig up your test squares at this time and examine them, being sure to bury them back in the compost afterward. How does the compost in general look? An indoor composter will probably be between 68 to 86 degrees Fahrenheit, which is known as a "cold" compost pile. The humidity should not exceed 65 percent.
If the compost is too humid, liquid may drain into the tray. Carefully dig up all of your test squares, gently remove any debris and examine them. How do the squares look compared with how they originally looked? Did they decompose much? Did some decompose better than others?
Are you surprised by your results?
There are different ways you could try to quantify your results from this experiment. Which items decomposed the most, retaining the smallest percentage of their original weight?
Some products give estimates for how long they need to be composted to decompose. If you can find an estimate for a product, how does it compare with your results? Does the estimate recommend certain composting conditions that are different than yours?
One efficient composting method uses worms. This method is called vermicomposting, and it can also be done indoors. How well do compostable and biodegradable products decompose using worms? Is it faster than the indoor composter you built in this activity Observations and results Did you find that some test squares had significantly decomposed after four to five weeks?
Did some squares decompose more than others? After being in the indoor composter for four to five weeks, some of the test squares should have clearly decomposed, although it depends on the exact products you tested and their composition.High School Science Fair Projects.
Need a science fair project that's fun, engaging, and appropriately rigorous for a high school science fair?
ashio-midori.com has assembled a rich collection of high school science fair projects and high school science fair project ideas written by our team of professional scientists, science teachers, and educational consultants. I love the idea that I can give my “pack-rat” characteristics a scientific title.
I am not a ‘Pack-Rat” I am a RECYCLER!!! While I do recycle many of the things I collect, . This page provides links tolesson plans, classroom projects and teaching activities for: Agriculture, Aquaculture, Forestry, Animal Science, Environment, Food Science.
Below is a list of the science fair project ideas on our site. To help you find a topic that can hold your interest, Science Buddies has also developed the Topic Selection ashio-midori.com will help you focus on an area of science that's best for you without having to read through every project one by one!
These fun, simple machine projects for kids in the elementary grades use easily gathered common household objects to make cool projects. Whether you need a class project, an idea for the science fair, or just a fun way to pass an afternoon, these projects are a .
We've all heard the saying "reduce reuse recycle", but it is still an important topic that WAY too many of us overlook. We live in a culture that doesn't understand the dangers of having so many non-reusable and wasteful products and habits in our lives.