Composting at School – Sample Slides

What is composting? A natural process that turns organic waste, such as food and yard waste, into nutrient-rich compost. When we compost, we create a natural environment where decomposer organisms, such as bacteria, insects and worms can break down organic waste and recycle nutrients back into the soil. What is Composting?

Why compost at school? Reduces pollution and greenhouse gases. Reduces the amount of garbage we send to landfills. Helps us recycle just like nature. Gives us finished compost to use in our school yard. Why should you compost?

What can you compost: Apple cores Banana and orange peels Grape stalks Plum pits Veggie sticks Spoiled fruits and veggies Tea bags Coffee grounds and filters Shredded paper Shredded cardboard Paper towels (no oil or sauce) Plants leaves What can you Compost?

Do not compost: Milk, cheese, yogurt and other dairy products. Meat, fish, bones, and other meat products. Sauces, butters, dressing and other fats and oils. Granola bars, chips, fruit snacks and other processed foods. Left-over salad or veggies with dressing on them. Left-over sandwiches or pizza. What can’t you compost?

Using finished compost: Finished compost is dark and crumbly and has a nice, earthy smell. Our school can use compost in our school yard to help trees, shrubs, grass, plants and vegetables grow. Ask a teacher today about how to use compost as part of your next science experiment to test the effect of compost on plant growth! What can you do with finished compost?

For more information on Composting at School: Ask your classroom teacher Ask a member of the Environment Club: For more information: