Lab Aids | Store

Investigating Hard and Soft Water

kit #191

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.

$92.25

  • Gain experience with ionization, precipitation and solubility
  • Relates to water purification and water pollution
  • Applies to ecology, earth science and consumer education

Content List in Investigating Hard and Soft Water is as follows:

Quantity Description
36 Test tubes
12 Plastic spatulas
2 Vials of Sodium Carbonate
2 Bottles of Hard water
2 Bottles of Deionized water
2 Drop control bottles of Soap Solution
2 Vial of Calcium Sulfate
1 Bottle of Magnesium Chloride solution
1 Bottle of Soap Material
1 Bottle of Calcium Chloride solution
50 Student Worksheets and Guides
1 Teacher’s Guide with MSDS
Recommended number of students
maximum 24 at the same time
Number of groups
maximum 12 at the same time
Calendar

To complete this kit requires one ~50-minute class period.

Title Item # Price Quantity
Investigating Hard and Soft Water 191 $92.25
Investigating Hard and Soft Water REFRESH-A-KIT 191-RC $51.75
Investigating Hard and Soft Water BILINGUAL ENG/SP 191-BL $94.35