"Complete+Meter+Stick+Optics+Bench"

This high-speed horizontal centrifuge provides faster turnaround time and greater productivity.

Build a complete turbine by making your own tower and base with PVC pipe (from a hardware store) or use the KidWind Tower and Base Set. You will also need a generator and a way to affix the turbine blades. We recommend using the KidWind Wind Turbine Generator with Wires and a KidWind Hub.

This premium quality 30 g/L NaCl standard solution for the calibration of salinity meters and sodium ISEs. Hanna calibration solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna's line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.

Easily make any bar into a lever.

Designed for industrial situations where chairs are bumped by sharp instruments and heavy equipment, the ToughTech™ chairs withstand exposure to dirt, oil, water, and chemical disinfectants on a daily basis.

Mix hands on and digital!

Ward's® 1100 Visible spectrophotometer is perfectly designed for high school and college students completing general analysis and experiments such as Beer-Lambert, Absorption Spectrum, Transmittance, Chlorophyll, protein (biuret test) and more. An included visible wavelength spectrum chart on the instrument panel allows the user to make the correlation between a wavelength number to an actual color on the visible light spectrum. The built-in secondary filters reduce stray light and increase precision. The design is "Student-Proofed" making this a durable unit for years of use. Large digital display makes reading much easier and the new USB interface allows for the collection of data via a computer. This spectrophotometer is designed for use with ¹/₂" (13 mm) round tubes or 10 mm square cuvettes. an adapter is supplied at no additional charge for 10mm square cuvettes. High quality silicon photodiode detector and 1200 lines/mm grating assures high performance. Auto zero function, one-touch blanking and built-in automatic filters for easy operation. Large digital display allows for quick and easy readings. Optional Windows(R) based software for easy data collection and application expansion to Standard Curve and Kinetics, Abs. and %T is available. Data can be easily exported to Microsoft Excel(R) for further processing and analysis. The software is designed for Windows based PCs, using Windows 2000, ME, or XP. Model 1100 measures Absorbance, Transmittance and now includes a USB port.

Wipe away dust, dirt, fingerprints, and other particles on lenses to see clearly with the Celestron Lens Cleaning Kit.

This hand-driven centrifuge is ideal for simple classroom demonstrations.

Bright, beautiful green laser pointer.

Be the forensic scientists!

Combine 'Write-On/Wipe-Off' activities with interactive, multimedia coverage of key NGSS topics.

Hand crank centrifuge with a capacity of 4 tubes (up to 15 ml), includes tubes for immediate use.

Only 3×4 cm, this tiny data logger measures temperatures over a wide temperature range.

Hand crank centrifuge capable of holding 4×15 ml tubes, includes tubes for immediate use.

With this Complete Earthworm Dissection Lab, you’ll receive: 10 high quality specimens that are easy to pin and dissect, packed in formaldehyde-free Borealene II. 20 student manuals with pre-test, post-test and easy to follow step-by-step instructions. 10 disposable dissection trays that offer direct pinning to the surface with no cleanup or resurfacing. Teacher’s guide with student objectives, teaching hints and answers to student tests. Replacement Student Manuals and Teacher’s Guides may also be purchased separately.

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