"The Mystery of Lyle and Louise"

Light gray, fine small clasts.

Dense and massive.

Hematite-cemented quartz; orthoquartzite.

Pure, large, transparent-to-translucent cleavages, Mohs’ hardness of 4.

Chlorite-bearing.

Examine how a microscope works.

Explore our planet like never before!

Heavy metal rods with threaded ends that screw into retort bases.

This life size hand model shows the superficial and internal structures of the human hand, including bones, muscles, tendons, ligaments, nerves, and arteries (superficial and deep palmar arches).

This spore-forming, thermophilic organism is commonly used for germicidal and sporicidal testing due to its ability to withstand higher-than-normal temperatures.

Bulk hole plates to expand your TeacherGeek collection

Needed to Digest Food

Preserved specimens in resin material.

Students Assemble Their Own Spatial 3-dimensional Models.

The perfect hand-saving tool for inserting glass tubing into stoppers!

Specially prepared sediment mixes for use with stream tables.