Soil

What’s in the Soil? Part 2

This kit contains materials to selectively culture the different types of microbes found in soil. Learners collect and extract different soil samples and then record the number of types of organisms found. Kit includes sufficient materials for 30 people... More.

Introduction to Soil Kit

In this kit, observe several different earth materials with a magnifying lens. The observations, including metric measurements, are used to help understand how these materials are classified and identified. Apply the skills and understanding developed i... More.

Chemical Composition of the Soil

This kit allows people to perform chemical determinations on locally derived soils for the following components: percentage of water; soil organic content; pH (hydrogen ion concentration); reagent tests for calcium, carbonates, magnesium, and phosphates... More.

Soil Composition and Structure Kit

A great follow-up kit for the Introduction to Soil Kit listed at left (C29425N). In the first activity, describe a soil sample and develop a primary definition of soil. The second activity expands the investigation of soils by using a water column t... More.

What’s in the Soil? Part 1

Using ordinary soil, perform comprehensive soil nutrient and mineral analysis, testing for the presence of 10 nutrients and minerals necessary for adequate plant development. Also determine water content, organic matter content, and pH of several differ... More.