1.  Through what process do puddles appear?
     A.  Hydrosphere
     B.  Evaporation
     C.  Salinity
     D.  Precipitation

2.  Through what process do puddles disappear?
     A.  Atmosphere
     B.  Currents
     C.  Evaporation
     D.  Condensation

3.  How do clouds play a part in forming puddles?
     A.  Evaporation
     B.  Condensation
     C.  Precipitation
     D.  All of the Above

4.  What is the main contribution of oceans in the formation of puddles?
     A.  Evaporation
     B.  Salinity
     C.  Atmosphere
     D.  Minerals

5.  It's a gray day.  What's happening?
     A.  Collection is taking place.
     B.  The sky is filled with stratus clouds.
     C.  There is water vapor in the air.
     D.  A cumulonimbus cloud is forming.

6.  92 quadrillion gallons of water evaporate from the five oceans each year.  What does that
mean?
     A.  That is less than the amount of water evaporating from rivers and lakes.
     B.  Most water vapor comes from the oceans.
     C.  The oceans become less salty.
     D.  Only 50% of the water vapor on Earth comes from the oceans.

7.  Aquifers...
     A.  are made of ice.
     B.  have salinity.
     C.  form from the collection due to runoff.
     D.  cover over 70% of the Earth.

8.  The hydrosphere...
     A.  consists of oceans.
     B.  consists of water vapor.
     C.  consists of aquifers.
     D.  All of the Above

9.  It's a beautiful, sunny day.
     A.  There is no water vapor in the air.
     B.  The sky has cumulus clouds.
     C.  There is no hydrosphere today.
     D.  There is a lot of precipitation.

10.  The water cycle is...
       A.  evaporation, condensation, and collection.
       B.  collection, evaporation, and precipitation.
       C.  precipitation, collection, and condensation.
       D.  evaporation, condensation, precipitation, and collection.


ANSWERS:
1.    D
2.    C
3.    D
4.    A
5.    B
6.    B
7.    C
8.    D
9.    B
10.  D