"Geology and Earth Science Clearance"

Epidote (Single crystal), Ward's

This combination unit indicates the inside and outside temperatures and the indoor humidity.

Rubber stamp the real weather on a given day or what the students would like the weather to be. With this set of 12 different high quality stamps, learn about the changing weather patterns.

Large, black, rounded tektite, 1 1/2". Thailand.

Compact, 2-in-1 field tool and weather instrument.

Learn the Cycles of the Atmosphere’s Most Abundant Gas

1 pound of black sand packaged in a heat-sealed bag.

Feldspar group; blue-green, microcline, triclinic, ³/₄". Colorado.

A versatile marking tool.

This replacement high-concentration diamond wheel is six inches in diameter.