"science kits&amp"

Easy-to-assemble intermediate-level rocket with laser cut balsa fins.

Invest in your skills and your patients' well-being.

This massive rocket is impressive in both size and power.

Perform Plant Electrophysiology Experiments At Home Or In The Classroom!

Explore horizontal wind energy with a DIY hands-on turbine model.

Easy-to-assemble beginner level rocket with pre-colored parts.

Launch an egg and test recovery systems with this reliable, sturdy model rocket.

These power cords and wall plugs will power all your Ward's and Ohaus balances.

The pH Buffer Capsules (3x10) kit is a convenient set of three vials containing capsules to make pH 4, pH 7, and pH 10 buffer standards for calibrating pH sensors. Each vial contains 10 capsules, each of which produces 100 mL of solution when mixed with DI water. Add three drops of the buffer preservative to 100 mL of your buffer solution to prolong the shelf life. Hydrion Color Key Buffer Preservative is a combination mold inhibitor and universal indicator for color coding the buffer solutions: orange for pH 4, green for pH 7, and blue for pH 10.

You can make fast, accurate measurements of dissolved oxygen concentration in water samples using our Dissolved Oxygen Sensor.

•Range of 0 to 14 mg/L (ppm) of dissolved oxygen.

•Built-in temperature compensation, which means you can do your calibrations in the lab, and then make measurements outdoors without having to recalibrate.

•Fast response time, reaching 95% of full reading in 30 seconds.

•Great for biology, chemistry, ecology, or integrated science courses.

Disposable caps with pre-fit membranes allow you to quickly and conveniently change membranes. An extra membrane cap is included with each probe.

Calibration is easy with this sensor. Simply place the electrode in the zero-oxygen solution provided with the probe for the 0% calibration point. For the 100% calibration point, place the electrode in air (or better yet, in water-saturated air, using the provided calibration bottle). The probe can be calibrated in any units you choose: % dissolved oxygen, mg/L, or ppm dissolved oxygen.

The DO-DIN and DO-BTA include the dissolved oxygen probe, zero-oxygen solution, extra membrane cap, a 100% calibration bottle, electrode filling solution, and a probe information booklet.

Simple-to-use benchtop meter designed to easily measure conductivity, TDS and salinity.

Physics Workshop Pro explores advanced subjects in physics.

Easy-to-assemble beginner level rocket with pre-colored parts.

Real-Life Forensic Urine Analysis.

Highly reliable conductivity/TDS/salinity/resistivity benchtop meter for standard laboratory applications.

Fun with Surface Tension