Page 159 - Science Class 07

Water Source Volume (thousand of Km³) % % of total water

Groundwater 2,000,000 0.60

Lakes (salt water) 25,000 0.01

Fresh water lakes 30,000 0.01
Soil water 16,000 0.01

Atmosphere 3,100 -

Stream beds 300 -

Total 326,074,400 100.00

CONSERVATION OF WATER v Do not leave the tap running while you are
The most important step in the direc on of brushing your teeth or soaping your face.
finding solu ons to issues of water and

environmental conserva on is to change
people’s a tudes and habits this includes each
one of us. Conserve water because it is the
right thing to do. We can follow some of the
simple things that have been listed below and
contribute to water conserva on.

v Try to do one thing each day that will result
in saving water. Don’t worry if the savings v See that there are no leaks in the toilet
are minimal. Every drop counts! You can tank. You can check this by adding colour
to the tank. If there is a leak, colour will
make a difference.
appear in the toilet bowl within 30
v Remember to use only the amount of
minutes. (Flush as soon as the test is done,
water you actually need.
since food colouring may stain the tank.)
v Form a group of water-conscious people
v Avoid flushing the toilet unnecessarily. Put
and encourage your friends and neighbours
a brick or any other device that occupies
to be part of this group. Promote water
space to cut down on the amount of water
conserva on in community newsle ers
needed for each flush.
and on bulle n boards. Encourage your

friends, neighbours and co-workers to also v When washing the car, use water from a
bucket and not a hosepipe.
contribute.
v Encourage your family to keep looking for
new ways to conserve water in and around
your home.

v Make sure that your home is leak-free.
Many homes have leaking pipes that go
unno ced.

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