Study

18/19/20/21 Water

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  • What is a pit latrine, and why are they built in areas without sewers?
    It is a simple hole-in-the-ground toilet used where there is no running water or sewage system.
  • What eco-friendly power source is used in some villages to power water pumps?
    Solar panels (sunlight)
  • How many children die each day from diseases spread by polluted water?
    About 70,000 children
  • Besides building wells, name two ways charities collect rainwater for communities.
    Small dams/reservoirs, gutters, or special cement tanks on roofs
  • How do charities make sure new underground wells do not become polluted like local wells?
    They line them with piping and cover them.
  • If you lived in a place where you had to walk several hours every day just to get water, how would that affect your daily life and education?
    Open answer / Discussion (e.g., less time for school, homework, rest, or playing)
  • What fraction of the world's population does NOT have a tap inside their home?
    At least two thirds
  • What percentage or fraction of people in the world do NOT have access to a toilet?
    One in three people (about 33%)
  • Why are open pit latrines or buckets dangerous if they overflow?
    They can seep or overflow into local wells, rivers, or streams, making the water unsafe to drink.
  • Why do you think women and children, rather than men, are usually tasked with fetching water in these regions?
    Open answer / Discussion (e.g., traditional gender roles, daily domestic responsibilities)
  • Why is water from a river or waterhole in poorer countries often unsafe to drink?
    It may have been used as a toilet by people and animals, or polluted by sewage.
  • What river in India is shown in the photo where people wash clothes, dishes, and themselves?
    The Ganges River
  • What is "fossil water" mainly being used for today, and why is that a problem?
    It is used to irrigate crops, but it is being used up faster than new rainwater can replace it.
  • Name two diseases mentioned in the text that are spread by dirty water.
    Any two: Cholera, typhoid, dysentery, diarrhoea
  • Which country listed in the chart uses the most water per person each day?
    The United States (575 litres)
  • In dry areas south of the Sahara Desert, how far do women and children walk to fetch water?
    12 kilometres
  • If you had to design a poster to raise money for clean water projects, what key message or visual would you use to convince people to donate?
    Open answer / Discussion (e.g., showing the contrast between daily water consumption or focusing on helping children stay healthy)
  • How many hours each day might a woman in rural India spend fetching and carrying water?
    About 5 hours (out of a 20-hour workday)
  • Do you think natural water should belong to everyone for free, or is it fair for water companies to charge us for it?
    Open answer / Discussion (e.g., water itself is natural, but cleaning and delivering it through pipes costs money)
  • What device do many homes in cities have that measures how much water they use?
    A water meter
  • Why is taking salt out of sea water so expensive?
    Desalination plants and the process require a lot of energy, technology, and equipment.
  • What is the special name for ancient water stored deep underneath the Sahara and Arabian Deserts?
    Fossil water
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