"VWR"

Sawn and lacquered slab showing thinly bedded truncated layers in a well-cemented sandstone. Large hand specimen.

Predatory. Feeds on Paramecium caudatum. Hay medium.

Characterized by cilia; nearly all possess two types of nuclei.

These bottom-dwelling bivalved crustaceans are found in nearly every aquatic habitat.

Ward's Science is not endorsed by or affliated with FOSS curriculum in any way.

Ward's Science is not endorsed by or affliated with FOSS curriculum in any way.

We can learn a lot about insects from this common pest. A enlarged dissection of a cockroach shows all internal organs, including the salivary glands.

The Hot Hand Protector grips hot and cold labware.

Complete, including elongated fingers used to support the wing membrane. Resin. Germany.

Major structures of a flower are shown in full detail on this economical model. Students can clearly see the calyx, corolla, androceium, stamens, and ovule.

Traditional, 3-step wood pinning block has pin holes set at 23, 12 and 7 mm. Size: 1" x 3".

This inexpensive device detects and estimates charges.

Freshwater. Unicellular; desmid. Basic culture solution.

Characterized by green plastids and cell walls composed of cellulose.

Cellular slime mold. Demonstrates amoeboid state, pseudoplasmodial state, and fruiting body, or sorocarp.

Formalin preserved bullfrogs Available in vacuum packs or pails.

Our excellent series of standard thin sections features important and interesting rock-forming mineral types most often found in field samples.

Our excellent series of standard thin sections features important and interesting rock-forming mineral types most often found in field samples.