Summary

Goals

  • Understanding the importance of water.
  • Being able to explain the most important characteristics of water in terms of life.
  • Knowing the difference between saline and fresh water environments.

Summary

The necessity of water:

  • All organisms require water to sustain their vital functions.
  • Cells contain water.
  • Plants receive nutrients with water.

The qualities of water:

  • Water can store a lot of heat.
  • Water conducts heat well.

The water cycle:

  • Water is evaporated from water systems → water vapor → clouds → precipitation (rain) → rivers, lakes, groundwater → water flows back into the sea, if it does not evaporate before this.

Key words: water, salinity, heat, the water cycle.