Each group needs:

• calcium chloride (CaCl ), granular, available for $6.85 for 500 g at https://www.flinnsci.com/calcium-chloride-anhydrous-500-g/c0016/
• potassium phosphate (KPO₄) reagent grade, crystal, available for $12.80 for 100 g at https://www.flinnsci.com/potassium-phosphate-monobasic-reagent-100-g/p0141/
• 200 ml distilled water
• 2 beakers (one for the CaCl solution, and one for the KPO₄ solution)
• stirring rod or spoon
• marker and masking tape, for labeling the beakers
• safety glasses, pair per student
• Osteopontin Research Activity Worksheet, one per student (students should already have this worksheet and have completed page 1 during the associated lesson)

Note: Chemical and lab materials available at science supply stores such as Flinn Scientific at https://www.flinnsci.com/

To share with the class:

• computer with projector, to show the presentation
• Pharmaceutical Research Presentation (a PowerPoint file)