Here are some resources to help you study the Earth. More will be added soon.arabianpeninsulaSeaWiFS

Here’s the soil image of the day. Dust blows across the Persian Gulf in this NASA SeaWiFS image.

Plant pH Guide

A list of plants and their optimal soil pH ranges.

Soil Characterization Field Guide

Download the jpg files that teach you how to characterize the soil’s texture, structure, color, and other qualitative measurements.
Soil Characterization Field Guide page 1  Soil Characterization Field Guide page 2

Soil in the News

Cloud Identification Chart

  • This Chart contains descriptions and images of ten of the most common cloud types. Download the jpg file.
  • This Cloud Chart only shows the three main cloud types (cumulus, stratus, cirrus). Great for younger students. Download the pdf.