".2mL PCR tubes"

Make teaching diffusion easy. Exclusively from Ward's Science, we've pre-mixed, pre-poured, pre-measured and pre-cut these agar cubes to save you time and eliminate messy preparation in your lab. Just open the jar and begin using. Prepared to align with Ward's AP Biology Investigation 4: Diffusion and Osmosis, these cubes are also ideal for use on their own, or in any lab activity demonstrating the topic of diffusion. Agar cubes are prepared in three sizes (approximately 1cm, 2cm, and 3 cm). Phenolphthalein has been added to the cubes to exhibit a vivid fuchsia color during production and stored in a solution of sodium hydroxide. Just add an acid such as vinegar to demonstrate diffusion.

Gram Centimeter Plastic Cubes

Observe the density across different materials and sizes.

Ideal for exploring force of friction.

Density Cubes, Set of 6 Metals, 0.8" (20mm) sides.

High quality density cubes for the classroom.

Demonstrate the inverse relationship between density and volume.

These Orange Unit Cubes will help your students or kids learn math concepts by providing them a visual model.

Explore biotechnology topics

Students learn about DNA fingerprinting in a dry lab setting.

The Capillarity Apparatus is intriguing demonstration of molecular attraction.

Dramatically Demonstrate that Temperature Increases with Pressure

The Eddy Current Experiment demonstrates Lenz's Law.

The Air-Cooled Laboratory Rheostat is the classic lab solution for controlling voltages and currents.

Effective Method of Showing Normally Invisible Currents

With the LaMotte Combination Soil Test Kit, students can measure pH, nitrogen, phosphorous, and potassium levels.