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Six aluminum replacement leaves for the Electroscope Assembly without Flask.

A thin aluminum coating produces great sensitivity to electrostatic charges. Styrofoam pith-like balls measure 8 mm in diameter and each has a silk suspension cord.

The refraction tank with laser provides excellent visibility!

Science Students at Any Level Must Understand Various Units of Measurement and How to Use Them

This simulation experiment demonstrates the value of mitochondrial and chromosomal DNA testing for genetic identification.

Economical Illustration

Make sound measurements with greater precision and convenience.

This set provides versatile tools for a variety of demonstrations.

Observe the movement of water and solutes.

This kit identifies five classes of nutrients.

How are inherited traits transmitted?

How do you test urine?

Simulated blood typing for safety.

This kit demystifies DNA's and RNA's connection to protein synthesis.

Explore dendrochronology.

Watershed Nonpoint Source Model