"The Mystery of Lyle and Louise"

Unpolished metamorphic rock with silky lusture, red-brown colour, and clear parallel intergrown quartz crystals.

Light gray, fine small clasts.

Dense and massive.

Hematite-cemented quartz; orthoquartzite.

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

Chlorite-bearing.

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

Lustrous, black 'hard coal'.

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).

Examine how a microscope works.

Explore our planet like never before!

Students Assemble Their Own Spatial 3-dimensional Models.

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

Need a Quick and Handy First-Aid Reference? Then Get This Flippin Chart

Enhance your TXT 4.0 Base Set robot for competitions.