LS4.D: Biodiversity and humans

This video is accompanied by supporting materials including background essay and discussion questions. The focus is on changes happening to permafrost in the Arctic landscape, with Alaska Native peoples and Western scientists discussing both the causes of thawing and its impact on the ecosystem.

A video that examines what will happen to crops as Earth's temperature rises and soils dry out because of changing climate. An accompanying activity is linked.

his activity uses a qualitative nitrate test to observe results of some conversions and transformations in the nitrogen cycle.

Online textbook suitable for teacher background information or for high school students

Explains importance of trees to human sustainability, includes graphics, maps and photos

Soils around the world vary in color, texture, structure, and chemical, physical, and biological composition. Slides and activities on soil orders

In the hot, wet areas of the world, large jungles can form, with lots of different trees, animals, and flowers. Not all tropical soils are jungles. Includes slides and activities

There is a lot of life above the earth. But in most systems, there is more life BELOW the soil than above it. Slides and activities

Forest soils form where it is not too hot, and not too cold. The type of soil that forms depends on what type of vegetation grows. Includes slides and activities

Teachers Guide for Soil! Get the Inside Scoop book. Site includes readings, slides, activities related to soil properties, and biomes.