I can explain why water resources
are limited and valuable
Every Drop Counts
Water Trivia
You will need your journal out ASAP –
we have short classes today
What percent of the Earth’s water
is available for people to use?
• A.
• B.
• C.
• D.
Less than 1%
5%
10%
20%
Answer
• Less than 1% of Earth’s water is available
for people to use
What percentage of people in the
world lack access to safe drinking
water?
• A. 15%
• B. 25%
• C. 35%
• D. 45%
Answer
• 25% or 1.5 billion people lack access to
safe drinking water
What is the total amount of water
(in gallons) consumed per day by
the average person in the U.S?
• A. 55
• B. 150
• C. 750
• D. 1,300
Answer:
• D. The average person in the U.S. uses
1300 gallons of water
About how many gallons/day are needed
to sustain life, including the minimum
water to produce the food we consume?
• A.
• B.
• C.
• D.
5
13
21
33
Answer:
• It takes about 13 gallons of water to
sustain life.
What activity accounts for the
highest water use worldwide?
• A. Agriculture
• B. Industry
• C. Domestic
Answer:
• Agriculture = 65-70% of water use
• Industry = 20 – 25%
• Domestic = 13%
Approximately how many people in
developing countries die each year
from water-related diseases?
• A. 100
• B . 1,000
• C. 10,000
• D. 10,000,000
Answer:
• D. 10,000,000
• Over 25,000 people die every day
How many gallons of water does it
take to produce 1 pound of corn?
• A.
• B.
• C.
• D.
68
168
568
1268
Answer:
• B. It takes 168 gallons of water to
produce one pound of corn
How much water does it take to
produce 1 pound of beef?
• A.
• B.
• C.
• D.
40
400
4,000
40,000
Answer:
• C. It takes 4,000 gallons of water to
produce one pound of beef
Give one benefit of a dam
Dam benefits:
• Produce hydroelectricity
• Prevent flooding
• Control water storage
• Make navigation easier
What is one negative impact of a
dam?
Negative impacts:
• Impede the flow of soil nutrients
• Impede fish migration
• Flood rivers upstream
What are 2 things you can do
personally to reduce your water
use?
Possibilities:
• Turn off water when brushing teeth
• Plant drought tolerant landscaping
• Reduce meat consumption
Water Facts:
• Every day more than 1 billion people make a 3•
•
•
hour journey on foot just to collect water
More than 1.2 billion people (25% of pop.) do not
have access to safe and adequate water
14,000 people die every day from water related
illnesses
• Diseases, dysentery, dehydration, parasites
An average U.S. citizen will spend 0.5% of his/her
annual income on water. A citizen of Honduras will
spend 25% of annual income on water.