A-1.1 Recognize the importance of water for the survival of life
A-1.2 Value water as an important renewable resource
A-1.3 Appreciate the importance of water in food production
A-1.4 Investigate mixtures and solutions
A-1.5 Classify mixtures and solutions
A-1.6 Distinguish between hard and soft water;
A-1.7 Investigate the way in which a water softener works;
A-1.8 Develop a generalization for the solubility of most solids in water at different temperatures;
A-1.9 Recognize that the solubility of oxygen in water decreases with increasing temperature;
A-1.10 Recognize the importance for aquatic life of dissolved oxygen in water;
A-1.11 Express the concentration of a solution using acceptable units;
A-1.12 Demonstrate an ability to separate water from dissolved and suspended material;
A-1.13 Investigate the presence of ions in water;
A-1.14 Test the pH of different water samples;
A-1.15 Identify some contaminants commonly found in water;
A-1.16 Explain some of the ways in which water pollution threatens aquatic life;
A-1.17 Discuss how water contamination affects human life and activity;
A-1.18 Explain the movement of water through the hydrologic cycle;
A-1.19 Discuss the role of soil/water/wetlands conservation projects in the hydrologic cycle
A-1.20 Examine the processes used in municipal water purification or in wastewater treatment;
A-1.21 Suggest ways in which water consumption can be reduced around the home;
A-1.22 Assess various water conservation strategies;
A-1.23 Debate an issue related to water quality in the local region.
A-1.24 Identify sources of ions in water
A-1.25 Compare levels of ions in a municipal water source with levels in surface waters and wells from the area
A-1.26 Identify sources of water contaminants
A-1.27 Describe how contaminants affect non- aquatic plant and animal life
A-1.28 Use aquatic life as indicators of pollution