Carbon Cycle in Soil Kit for Global Warming and Feedback Loops Chemical_Mineral Oil Plastic sheath and rubber hanging

Plastic sheath and rubber hanging cap on this 12-inch yellow-backed spirit thermometer reading -10 to 110°C

Single-axis focusing geometry of this cylindrical lens lets students see how a curved surface forms line images

Concentrated rheoscopic fluid for mixing into pearlescent water suspensions that reveal currents

showing how current through an iron core builds magnetic flux in student investigations

and cellular respiration work

Carbon Cycle in Soil Kit for Global Warming and Feedback Loops Chemical_Mineral Oil Plastic sheath and rubber hangingCarbon cycle soil kit explores global warming through soil respiration measurement, ecosystem analysis, and climate chemistry investigation.