3 clear 2 liter soda bottles and caps (avoid Canada Dry- labels are very hard to get off).One medium-sized nail: Hardware stores such as Home Depot or Lowes.This project is perfect for those who want to learn about the environment and how it works, which is why it is a great project for students of all ages. You can see the interactions between the chambers as you water the plants that grow in the terrestrial chamber and watch the water travel through the decomposition layer all the way to the aquatic habitat below. The aquatic chamber is a mini freshwater habitat for aquatic plants and even small fish.Īll three of these chambers make a “mini-ecosystem” that you can observe at home or in a classroom setting. The decomposition chamber represents a leaf litter habitat, much like a compost pile. The terrestrial layer represents the land habitat including plants and insects (if desired). This eco-column has 3 chambers: the terrestrial chamber, the decomposition chamber, and the aquatic chamber. An eco-column is a self-sustaining ecosystem on a small scale, made of plastic soda bottles. These instructions will help you create your very own eco-column in your home or classroom. By: Kelsie Fronheiser, Gene Edwards, Jenny Kraus, Justin Lange Introduction:

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