The percent-
     age of the
earth's water that
is fresh water.
 A   The source of
/^* energy for
the hydrologic or
water cycle.
 A   Two possible  j  A
^* sources of    | ***
groundwater con-   j water.
tamination.         I
                                                                     The chemical
                                                                     symbol for
                                                              A.
                                              The name for
                                              a smaller
                                         stream that flows
                                         into a larger
                                         stream.
                                                                   The three
                                                                   largest
                                                              oceans.
       What is 3?
      What is the
      sun?
      What are
      landfills and
septic tanks? (other
acceptable answers include; feed
lots, human wastes, animal
wastes, fertilizers, and aban-
doned wells.)
                     Q.
                                                                   What is hbO?
                                                                   What is a
                                                                   tributary?
Q
                                                                   What are the
                                                                   Atlantic,
                                                              Pacific, and Indian?
       The five
       Great Lakes.
       What are the
     * Huron,
|  Ontario, Michigan,
I  Erie, and Superior?
 A   The process
^^* by which a
vapor becomes a
liquid or a solid.
/"")  What is con-
    * densation?
 A   The wearing
>^* down or
washing away of
soil and land by the
action of water,
wind or ice.
Q.
                                               What is ero-
                                               sion?
                                          A   The constant
                                         ^^* circulation of
                                         water from the
                                         atmosphere to the
                                         land and the
                                         oceans and back
                                         again.

                                              What is the
                                              water (hydro-
                                         logic) cycle?
                                                                                   A   The act of
                                                                                  ^^*  adding water
                                                                                  to crops.
                                               What is irri-
                                             * gation?
                                                               A   The move-     I
                                                              y^* ment of       j
                                                              water down         i
                                                              through the earth's  I
                                                              surface.            I

                                                                   What is infil-  |
                                                                  * tration?      !
                                                              (Percolation would also be an    j
                                                              acceptable answer.)         :
i  A   The capacity
! /^*  of porous
! materials, such as
I sand  and gravel, to
I transmit water.
 A   A term used
>^* to describe
the area drained by
a river and its trib-
utaries.
 A   Tanks used to
'** hold waste
from homes when a
sewer line is not
available.
                                              A pit, hole, or  j  A   A change in
                                            * shaft sunk    |  ^^*  the quality of
                                         into the earth to    i  water that makes it
                                         tap an underground |  unsuitable for cer-
                                         source of water.    i  tain uses.
                                                                                                            Water-satu-   I
                                                                                                          * rated lands    |
                                                                                                       where aquatic      j
                                                                                                       plants and animals  j
                                                                                                       live.                I
       What is per-
       meability?
      What is a
    * river basin?
(Watershed would also be an
acceptable answer.)
      What are
    * septic tanks?
                                                              /""")  What is a
                                                              ^" well?
                                                                   What is pol-
                                                                   lution?
                                                              (Contamination would also be an
                                                              acceptable answer.)
                                                                   What are
                                                                   wetlands?

-------
A A place where
^^* water is
treated to make it
safe to drink.
£) What is a
" water treat-
ment plant?
A The average
^^* number of
gallons of water
treated in the
United States for
each person every
day.
O What is
* about 180
gallons?

^f^^h
' 	 f A-:^
9-12 \ -'|, •' !(,'•'
\ ^-,-v-'-'
^ PRO^ Office
! A This element 1
i ^^* is added to i
j water to prevent j
1 tooth decay. j
| Q Whatisfluo- |
I A The tempera- 1
1 ^^* ture at which j
i water changes j
i from a solid into a I
; liquid or vice versa, j
j Q What is 32 |
I * degrees |
| Fahrenheit or 0 j
! degrees Celsius? i
^Water
) A & Q
r
A Lackofpre- i A On average, j A The percent- i A The percent- j
^^* cipitation f or i ^^* almost 26% i ^^" age of the i ^^" age of the I
a long period of j of the water used j human body com- j earth covered with i
time. i in a home is to do j posed of water. j water. i
1 this. | | |
Q What is a JQ What is flush | Q What is |Q What is |
'drought? | * the toilet? j * 66%? 1 * 80%? |
A The tempera- j j | |
'^ ture at which j A, i A, i A, 1
water changes I i i I
from a liquid to a I i i I
gas or vice versa. I j I 1
Q What is 212 1 I I 1
^*" degrees ! (J j Cj. i CJ. i
Fahrenheit or 100 i i i I
degrees Celsius? j i i i


ri : * i A '[ A !
actsiA. |A. |A. i

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of Water (4606M) • EPA 816-F-04-025 • 06/2004 • www.epa.gov/safewater | j

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