"water+bath"

Determine if You have Acid Rain in Your Area.

Calculate density the old school way, measuring the net force acting on a submerged object.

How are Soaps Different?

Dramatic Results Mimic Effects of Sun on Living Tissue

Three tanks in one.

Complete Equipment for 5- to 10-Gallon Aquariums

Identify Parasites and Other Fauna

Expand the Number of Activities You Can Perform with Your Stream Table

Life-Size, Cast From An Actual Specimen

CAS Number: 10213-79-3
Formula Weight: 212.03
Formula: Na₂SiO₃·5H₂O
Density (g/mL): 1.81
Freezing Point (°C): 72.2
Synonyms: Disodium Trioxosilicate Pentahydrate
Shelf Life (months): 36
Storage: White

The Groundwater Simulation System demonstrates the impact of environmental factors on groundwater resources.

Teacher Developed!

Units have instant-response probe and solid-state thermistor for quick, precise readings.

Various mounting techniques and staining processes.

Improved Formula for Higher Yields

Connector tubing for many applications.