"gel+box"

INVESTIGATING SIMPLE MACH CHILD BOX 1

Well-cemented, medium-grained orthoquartzite.

Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.

The Capacitor Kit is an excellent introduction to circuitry.

This sensor can measure the static pH values of common liquids.

Your students are asked to help a farmer identify a plant that will cross-breed with his existing crops.

Cleaned, pure, bright, metallic native copper.

Pure, white, earthy “China clay”.

Help Your Students Perceive How Light Behaves

Examine the differences between cell types in the brain based on their profiles of proteins.

Spinel group; black, dull metallic luster; common iron oxide.

A complete classroom solution to the daunting task of teaching electronics.

Protein identification is based on both antibody reactions and antigens in this Western Blot activity.

Each pouch contains a convenient, pre-mixed buffer solution; just add water!

Classic “peacock” aluminum ore.

Fine, common limestone; massive, and will fizzle with HCl.