Lab, Assignment, Journal - science - due in 72 hours

Lab Worksheet

Hypotheses:

Activity 1.

Activity 2.

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Activity 3.

Activity 4.

Observations/Data Tables

Data Table 1. Particle Size Distribution and Soil Type

	Depth of Clay Layer (cm)	Depth of Silt Layer (cm)	Depth of Sand Layer (cm)	Total Depth (cm)	% Clay	% Silt	% Sand	Soil Texture
Soil Sample A

Data Table 2. Determination of Soil Porosity

	Time Taken for First Drop to Emerge from Column (s)
Sand Sample
Clay Sample
Soil Sample A

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Data Table 3. pH Comparison of Soil Samples

	Soil Sample A	Soil Sample B (Location Description: )
pH

Data Table 4. Nitrogen, Phosphorus, and Potash Comparison in Soil Samples

	Nitrogen	Phosphorus	Potash
Soil Sample A
Soil Sample B