Veeringe

1. Milline tähtsus on vee ringlusel Maal?
.....................................................................................................................................................
.....................................................................................................................................................
.....................................................................................................................................................
.....................................................................................................................................................
......................................................................................................................................................
......................................................................................................................................................
2. Millised erinevused on väiksel ja suurel veeringel?
......................................................................................................................................................
.....................................................................................................................................................
.....................................................................................................................................................
.....................................................................................................................................................
......................................................................................................................................................
.....................................................................................................................................................
   Kas väiksel ja suurel veeringel on ka sarnasusi?
......................................................................................................................................................
......................................................................................................................................................

3. Milline tähtsus on tuulel Maa veeringes?
.....................................................................................................................................................
....................................................................................................................................................
....................................................................................................................................................
....................................................................................................................................................
....................................................................................................................................................
...................................................................................................................................................
4. Kui Maa keskmine õhutemperatuur tõuseks 5 kraadi võrra, kas see mõjutaks mageda ja soolase vee tasakaalu Maal?Kuidas?
.....................................................................................................................................................
....................................................................................................................................................
....................................................................................................................................................
.....................................................................................................................................................
.....................................................................................................................................................

5. Võrdle, mille poolest erinevad vihmavesi, põhjavesi ja jõevesi.

Tunnused

vihmavesi (lumi)

põhjavesi (kaevuvesi)

jõevesi

läbipaistvus . . .
maitse . . .
soolade sisaldus . . .
värvus . . .
lõhn . . .

Miks on vee omadused erinevad?


..............................................................................................................
..............................................................................................................
..............................................................................................................
.............................................................................................................
..............................................................................................................
..............................................................................................................