Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?How deep do you need to go to find the place w ...
In this experiment, a student will test the benefits of turning compost to aerate it.The student will set up two compost piles with soil and yard waste and place sheets of newspaper in each pile.Over ...
Gardeners appreciate the value of compost. Called “gardener’s gold,” it adds valuable nutrients to the soil. Many gardeners make their own compost, but others often fail because they put their food sc ...
In this project, we will try to understand the definition of ‘biodegradeable’ and explore this in a real-life setting and compare an item specifically labeled biodegradeable to two commonly used items ...
Although we cannot help but create some trash living in modern society, we do have some choice in what we purchase and how we dispose of this trash. In most areas, at least some sort of recycling is a ...
Most plastics are not readily biodegradeable, especially when buried in the ground away from sources of oxygen. Many can be decomposed partially by photodecomposition in the presence of sunlight, howe ...
The goal of this experiment is to discover if soil with more organic material absorbs moisture better than soil with less organic material. Gardens that use the right amount of organic material might ...