This powerpoint describes the properties of water, air, rocks, and soil. It does not include types of rocks.
The focus is on properties that can be measured for each resource.
Water includes surface tension, cooling evaporation, and solvent properties.
Air includes mass, weight, volume, and compression.
Rocks include hardness, luster, color, streak, cleavage, and texture.
Soil includes the properties of texture, color, porosity, infiltration, and structure.
It also includes a quick check with questions and additional on-line resources.