Water Crossword

3. _____ source pollution is water pollution coming from a single point, such as a sewage-outflow pipe.
5. The amount of solid particles that are suspended in water and that determine how clear water is
8. The measure of the average kinetic energy of moving molecules within a substance
9. _____ oxygen is oxygen gas (O2) dissolved in water.
10. Precipitation, condensation, transpiration, evaporation, and infiltration are all parts of the water _____.
11. Non-Point _____ Pollution is pollution discharged over a wide land area, not from one specific location; these are forms of diffuse pollution caused by sediment, nutrients, organic and toxic substances originating from land-use activities, which are carried to lakes and streams by surface runoff.

1. The wearing down or washing away of the soil and land surface by the action of water, wind, or ice
2. _____ is water that infiltrates into the earth and is stored in usable amounts in the soil and rock below the earth’s surface; water within the zone of saturation.
3. _____ is a measure of the relative acidity or alkalinity of water. Water with a pH of 7 is neutral; lower pH levels indicate increasing acidity, while pH levels higher than 7 indicate increasingly basic solutions.
4. It is naturally found in three states, determined by the _____.
6. Organisms that are visible to the naked eye and lack a backbone
7. Water _____ is a term used to describe the chemical, physical, and biological characteristics of water, usually in respect to its suitability for a particular purpose.