"orange de méthyle"

A versatile marking tool.

Simulate Real-World Groundwater Processes

Teach Students to Quickly Determine Tree Heights

Created especially to meet the requirements of the GLOBE program.

Investigate human impacts on the environment while building your own models

Used to Examine Wood Quality and Measure Growth Rates

Determines proper moisture, pH, light, and temperature in soil samples.

With the Soil Texture Kit, students determine the percentage of sand, silt, and clay in soil samples.

With the LaMotte Combination Soil Test Kit, students can measure pH, nitrogen, phosphorous, and potassium levels.

The GREEN Basic Water Monitoring Kit features economical tests for eight different factors.