| A | B |
|---|
| polar molecule | molecule in which the charges are unevenly distributed causing them to have a positive side and a negative side |
| mixture | material composed of two or more substances that are physically mixed together but not chemically combined |
| solution | mixture in which all the components are evenly distributed |
| solute | the substance that is dissolved in a solution |
| solvent | the substance in which another substance is dissolved to form a solution |
| suspension | mixture in which some particles cannot dissolve completely because they are too large |
| Water content of the atmosphere | 0.5 to 5% |
| Water content of the hydrosphere | 95-99% |
| Water content of the lithosphere | <10% |
| Water content of the biosphere | 60-95% |
| Ice is less dense than water | as water expands as it freezes |
| water has a high heat content | so oceans and lakes can moderate their temperatures |
| liquid water and ice | cause physical weathering in rocks |
| water is an | important solvent |
| water is needed | for photosynthesis |
| water is a transport medium for | wastes, minerals, nutriens and respiratory gases |
| water is used for | generation of electricity and transportation of many raw materials and manufactured products |
| homogeneous mixture | cordial in water |
| heterogeneous mixture | milo and milk yum yum! |
