"VWR"

Teachers can present high-intensity demonstrations in rotational inertia or experiment with forces involved with a bicycle gyroscope with this Rotational Platform.

Unusual glassy tubes of fused sand produced by lightning strikes in desert sediments. Average size: 1.5"- 2".

Marine. Unicellular. Erdschreiber’s medium.

Characterized by reddish plastids (rhodoplasts).

Beautiful, blue, hexagonal, sapphire crystals. Average size: 3/8". Madagascar.

This filamentous cyanobacteria is comprised of heterocysts and akinetes that are terminally located on the filament.

Marine. Filamentous; unbranched thallus. Erdschreiber’s medium.

Characterized by reddish plastids (rhodoplasts).

Two flagella; no chloroplasts. Food organism. Hay medium.

Characterized by flagella; lacks plastids.

Stools feature an 18-guage steel seat

This force table pulley includes a heavy-duty clamp and operates smoothly.

Simple Version of Foucault’s Early Experiment

These clamp holders have perpendicular, v-shaped jaws.

A Classic Demonstration!

Formalin Preserved

Shows porphyritic texture in a fine dark matrix abundant large feldspar phenocrysts. Hand specimen.

The Capillarity Apparatus is intriguing demonstration of molecular attraction.

Dehydrated Preserved