Lab-Aids: Investigating Hard and Soft Water Kit - Bilingual English/Spanish
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.
Scientific Concepts:
Gain experience with ionization, precipitation and solubility
Relates to water purification and water pollution
Applies to ecology, earth science and consumer education
Content List:
1Teacher„¢s Guide with MSDS
50Student Worksheets and Guides
12Plastic spatulas
36Test tubes
2Vials of Sodium Carbonate
1Bottle of Calcium Chloride solution
1Bottle of Magnesium Chloride solution
2Bottles of Hard water
2Bottles of Deionized water
1Bottle of Soap Material
2Drop control bottles of Soap Solution
2Vial of Calcium Sulfate
Classroom Planning:
To complete this kit requires one ~50-minute class periods