Transcript Water, water … everywhere?

Water, water …
everywhere?
Using the measuring cup, take out 4.5
cups from the buckets and pour them
into the pitcher.
You have now divided the world’s
water into fresh and salt water.
Can you guess which is the fresh?
• Using the measuring cup, take 1 cup
out of the fresh water.
• The 3.5 cups remaining in the pitcher
represents the water unavailable to
us because it is tied up in:
• glaciers
• ice caps
• icebergs
• and the atmosphere.
• In the 1 cup of freshwater, some of this
water is so deep in ground water that we
cannot get to it, or it is water in places
where no one lives, or it has been
polluted.
• However… there is some water we can
use 
• Take an eye dropper and use it to
place 10 drops into the small glass.
• THIS is the fresh, unpolluted water in
the world that over 7 billion people
have to use!
• 2 of those drops represent the Great
Lakes.
• There is a lot of water in the world, BUT…
– 97% of it is in the oceans (salty!)
– 2% is locked in glaciers
– Leaving only 1% for all of the land
based plants, animals, and over 7 billion
(and growing) humans to survive on!
• Canada is home to how much of the world’s fresh water
supply?
20%
•
• 1 out of every 3 Canadians rely on the Great Lakes for
their water
• More than 3 billion litres of untreated sewage is dumped
into our waterways every year by 21 cities across
Canada
• Less than 3% of the water produced at a large municipal
water treatment plants is used for drinking
Human Activities …
Food for Thought
• It requires 10 litres of water to manufacture 1 litre of
gasoline
• It requires 300 litres of water to produce 1 kilogram of
paper
• It requires 1000 litres of water to grow 1 kilogram of
potatoes
• The average Canadian home owner doubles their daily
water use in the summer months in pursuit of a lush,
‘green’ lawn
Which country do you think is
the largest consumer of water?
• #1 United States – 425 litres / day
• #2 Canada – 330 litres / day
• #3 United Kingdom – 200 litres / day
• #4 France – 135 litres / day
• #5 Israel – 135 litres / day
• Rural India – 35 litres / day
Many people in the world view
water as a resource more valuable
than gold …
Toilet Talk …
Envirolets … Composting Toilets!!!
A RIVER PUZZLE
Every river has a
beginning and an
end, but a lot of
different things can
go on in between!
The things we do
can affect the
health of our
rivers.
YOUR CHALLENGE:
TO MAKE A HEALTHY RIVER THAT
EVERYONE CAN LIVE WITH FOR A LONG,
LONG TIME!
1) Cut out the puzzle pieces.
2) Put the source piece at the top.
3) Put the mouth piece near the bottom.
4) Sort the other pieces into categories:
nature, urban, agriculture, industry,
recreation, power
THINGS TO CONSIDER:
• What can happen to a river when a
factory is nearby?
• What can happen when a town is close to
a river?
• Where along a river would water be clean
for swimming or fishing?
• Does farming affect the water in a river?
The Hydrologic Cycle
1. OCEANS
2. EVAPORATE, GAS
3. WIND
4. LIQUID, CONDENSATION, CLOUDS
5. RAIN
6. SNOW
The Hydrologic Cycle
7. a) ATMOSPHERE
b) RUN OFF
c) GROUNDWATER
8. PRECIPITATION
9. SINKS, WATER TABLE, WELLS
10. ROOTS, LEAVES
The Hydrologic Cycle
11. DEW
12. DRAINAGE SYSTEM
13. SWAMPS
14. EVAPORATED, HYDROLOGIC