"Activités de comprehensive"

Handy for observising and identifying macroinvertabrates.

How much Salt is Dissolved in a Body of Water?

Students discover the relationship among gas volume, temperature, and pressure.

Effortlessly test fresh, salt, and brackish water in just 2 minutes with the most advanced, all-in-one photometer designed for fish farming applications.

Use the Exact Water-Testing Procedures Used by Health Authorities

Water Bodies are Dynamic Systems

This activity illustrates the importance sunscreen use.

Explore the carbon cycle by simulating the production of carbon dioxide due to microorganisms in soil.

Simulate the effects of nitrogen oxides and sulfur oxides on the germination of radish seeds.

Premium LECA that creates the ideal foundation for robust, vibrant plant growth in any setup.