Click on  http://mbgnet.mobot.org/fresh/cycle/cycle.htm.  Answer the questions below in your science notebook.  Please include the questions.

1.    Define water cycle.
2.    What fraction of the earth's surface is covered in water?
3.    What percentage of all the Earth's water is in a form that humans and
        animals can use?

Click on  http://mbgnet.mobot.org/fresh/cycle/concepts.htm. Answer the questions below in your science notebook.  Please include the questions.

4.    What is evaporation?
5.    Why is evaporated water so clean?
6.    What is the opposite of condensation?
7.    When does precipitation occur?

Click on  http://mbgnet.mobot.org/fresh/cycle/cycle.htm.  Answer the questions below in your science notebook.  Please include the questions.

8.    Using the terms evaporation, condensation, and precipitation, explain the
        water cycle in your own words.
9.    What factor is most important in determining whether water is a solid,
        liquid, or gas?
10.   Is the amount of water on Earth always changing, or is it a constant?