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The Tris-Compatible Flat pH Sensor measures the pH of a solution or semisolid.

Eliminates the Need for a Separate Power Supply

Use to study magnetic fields.

Inclusive package for inclusive study.

This sensor uses type-K thermocouple wire to measure temperatures over the range of −200 to 1400 °C.

Visualize chirality.

The Go Direct Voltage Probe combines a wide input voltage range and high precision, making it an excellent choice for investigations of both AC/DC circuits and electromagnetism.

The High Current Sensor has a range of ±10 A. Current is measured with a Hall Effect sensor, which uses the magnetic field created by the current and therefore does not add a resistive element to the circuit. A metal shield over the Hall Effect chip reduces the influence of external magnets. A replaceable fuse protects the equipment and circuit.

Map light intensity vs. position for various slit geometries.

Chipboard is a stiff, easy to cut, lightweight, low cost, and recyclable material used to make simple wind turbine blades.

Step-by-Step Experiments That Are Easily Executable

Step-by-Step Experiments That Are Easily Executable

Reliable, quantitative data over Bluetooth to investigate important concepts in projectile motion.

KidWind blade pitch protractor, incredibly helpful for measuring the blade pitch angle on your KidWind turbine.

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.

Measure the concentration of ethanol in air above an aqueous sample with Go Direct Ethanol vapor.