Components of soil, such as inorganic or organic materials are detailed along with the main contributions of each. Deposits, weathering, and distinct types of characteristics and properties of soil classes are given.

Seven superb slides sharpen science students' scoop on soil. In viewing them and reading the accompanying captions, your class will uncover the importance, different types, horizons, and protection of soil. They can then assess their new...

A set of 27 slides systematically shows how weathering, erosion, and deposition contribute to soil formation. Both chemical and mechanical weathering are described, as are resulting soil layers and properties. There is no longer any need...

From types of rocks to types of weathering, learners gain knowledge on minerals, composition of soil, and the effects of weathering on Earth.

"God made dirt, so dirt don't hurt!" In fact, dirt is soil, which is an amazingly dynamic material that we cannot live without! Dig into the depths of soil development, topography, and layers with this PowerPoint. The photos are fuzzy,...

Though information-packed, this presentation on soil is drab if it stands alone. As you journey through slides about soil texture, make sure to pass around samples of each type. Perform demonstrations as you lecture on soil density and...

The grammar is problematic on several of the slides in this collection, but the information is generally accurate. If you don't mind making a some corrections rather than starting from scratch, this presentation will save you some...

Amaze soil scientists with a list of the myriad of microorganisms residing in a mere 1/4 teaspoon of soil! Then take them on a ride through the carbon cycle, down to the level of decomposers. Finally, give more specific details about the...

Fertility in soil is the topic of this presentation. Future farmers will be able to define fertilizer, list ten essential soil elements, and describe the roles of both primary and secondary nutrients in plant production. Although there...

It's difficult to guess the original goal of this presentation. It examines four factors to be evaluated, but their direct connection is unclear. Soil texture is described in three slides. The depth of material is examined in two slides....

All aspects of soil and its components are reviewed here.  Your class will learn how certain organisms help the quality of the earth and support growth.  Different ways to enhance the chemical make-up are described and will be...

Knowing about history is one thing, learning form it is another. Rather than just discuss the causes and effects of the Dust Bowl, this presentation discusses what we learned from the Dust Bowl. Presented are the types of agricultural...

The techniques for preparing soil before laying, or seeding, a lawn is covered in this set of slides.  Ideal pH, fertilizer, and drainage is described.  Details of the best seed type for different conditions are also...

An anticipatory slide suggests personal benefits from gardening. Then the presentation goes into choosing a location, considering soil type, the use of fertilizers, and the variety of crops available to choose from. If you are...

Written for an agriculture curriculum, this presentation on organic matter is also informative for gardening or horticulture classes. It details the chemical makeup, affecting factors, functions, maintenance, and composting to create a...

AP environmental science or college-level ecology classes will glean a tremendous amount of information on nutrient cycles from this detailed PowerPoint. It covers nutrient requirements, biogeochemcial cycles, decomposition rates, and...

Mosses and ferns are some of the world's oldest types of plants. Here is a quality 10-slide presentation set to gentle background music for beginning botanists to view and enjoy. Accompanying captions explain that these are both...

Can an area with no soil turn into a forest? Scholars learn about the process of ecological succession using an interesting presentation. It covers both primary and secondary succession in the building of new ecosystems.

Soil, water, fish, wildlife and forest are the main resources that are reviewed in this PowerPoint. Overuse and waste versus the value of the resources used and the long-term impact is covered in this clear presentation. It would be good...

Focusing on the quality of our water sources, these slides are full of information about the aspects of our soil and groundwater that may affect pollution.  The leaching of pollutants and their impact on health is explained. ...

Any student interested in the natural resources should be engaged by this PowerPoint. It gives many details and examples of problems associated with resource management. The regulations and protocols established to help with the...

This presentation gives a visual account of a class's experiment growing sprouts under different conditions. There are three containers with the same soil and the same seeds. One of the containers got water, but no light. One got light,...

How does weather play a role in the lives of land and sea creatures? Find out with a instructional activity focused on habitats and the ways animals from different homes are connected. Here, learners explore how the life of a...

Complete with maps, photographs, and historical documents, this presentation would be a great resource throughout a unit about mid-19th century America. Manifest Destiny, Texas Independence, the Oregon Trail, and the Mexican War are...