"Ward"

When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the composition and structure of the specimens on a microscopic level.

Re-create Experiment Investigating Microbial Growth in Soil

Blue fluorapatite, pure crystalline, Moh's hardness of 5.

Excellent Review Before Performing All Your Science Experiments

Plenty of element data for serious chemistry students.

Explore alternation of generations.

Light gray, compact, hard, opaque, microcrystalline silica mineral.

Massive, chlorite-rich.

Gray-to-brown basaltic, with over 50% vesicles.

Synthesize a Variety of Esters by Reactions of Organic Acids and Alcohols

This detailed model, enlarged 180x and depicted to scale, simplifies lessons on the digestive system.

Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.

Small, rounded pebbles and tightly cemented granules.

Gray, fine, friable, with abundant small sanidine crystal fragments.

Grayish black trap rock.

Red-brown to gray, coarse-grained, containing feldspar and mica.