Lesson+4

= **Lesson 4 - COMPOST!** =

As recycling has been an issue for sometime, this lesson assumes that the school has a composting programme already. This plan explores how students can add back to the lifecycle through compost rather than just taking from the lifecycle. We visit the school compost bin as part of the lesson and discuss what can and cannot go in the bin while there.

**Compostable**
Things that have grown in the ground (organic matter): plus: and some:
 * fruits and vegetables
 * grains
 * coffee
 * egg shells
 * shredded cardboard (for carbon)
 * some grass clippings (for nitrogen which also comes from the kitchen scraps)
 * soil

**Not Compostable**

 * meat - red meat, chicken, fish
 * greasy or oily foods
 * plastic, metal (anything inorganic)