"Ionic+Properties+Learning+Activities"

The first manikin to simulate a baby's varying needs is even better.

This fossil replica represents an ancient sea urchin that crawled along the seafloor, feeding on algae. Although they are rarely preserved, echinoderms that looked like this had long spines like the sea urchins of today.

Superb image quality.

Sensor measures the ability of a solution to act as an oxidizing or reducing agent.

The Sol-Care Safety Multi-Sample Blood Collection Needles are designed with a safety shield that completely covers and locks over the needle after use to protect against needlestick injuries.

High-quality binoculars at an affordable price.

Ideal Trainer Form Acls And Atls

Perfect for your classroom or clinical simulation center.

Three dimensional model allows students to study the motion of the earth and moon around the sun, and demonstrates the science behind phenomena such as seasons, phases of the moon, eclipses, and tides.

Wiggle-Bots are motorized contraptions that are designed and built by kids.

Test method: The Peracetic Acid CHEMets® test kit (0 to 1 and 0 to 5 ppm) employs the DPD chemistry. The sample is treated with an excess of potassium iodide. Peracetic acid oxidizes the iodide to iodine. The iodine then oxidizes DPD (N,N-diethyl-p-phenylenediamine) to form a pink colored species in direct proportion to the peracetic acid concentration. Various oxidizing agents such as halogens, ferric ions and cupric ions will produce high test results. Hydrogen peroxide does not interfere with this test if present at levels comparable to the peracetic acid levels.

Practice more advanced examination techniques.

The LilyPad Sewable Electronics Kit lets you explore the wonderful world of electronic sewing (e-sewing) and e-textiles through a series of introductory projects using the LilyPad system.

Superior realism, reliability, and durability.

A general-purpose pH sensor used to monitor pH of aqueous solutions.

Normal and pathological structures.