Lab-Aids: Investigating Hard and Soft Water Kit

Using simple tests, students gain experience with ionization, precipitation and solubility. This Lab-Aid is an excellent activity for studying water purification, water pollution, ecology, earth science and consumer education. Students study important concepts in a clear, meaningful and relevant manner. This kit is highly recommended for intermediate and junior high science courses. Complete for 50 students.

 

• 1 Teacher's Guide with MSDS
• 50 Student Worksheets and Guides
• 12 Plastic spatulas
• 36 Test tubes
• 2 Vials of Sodium Carbonate
• 1 Bottle of Calcium Chloride solution
• 1 Bottle of Magnesium Chloride solution
• 2 Bottles of Hard water
• 2 Bottles of Deionized water
• 1 Bottle of Soap Material
• 2 Drop control bottles of Soap Solution
• 2 Vial of Calcium Sulfate

• To complete this kit requires one ~50-minute class periods
• Number of students: 50