Summaries after sample
, U1: Uses of water
U4: Pollution and wastewater
Farming and factories:
• Pollution - anything that damages the environment or makes people sick.
• If water gets polluted, there won’t be enough clean water for drinking. • In South Africa water is mostly used for
farming and industry.
• In modern settlements like towns and cities, there are too many people
for everyone to collect water from dams and rivers themselves. • The mining industry uses a lot of water.
• Water from lakes, dams and rivers is filtered in a purification plant to
remove the sand and tiny particles, then a chemical called chlorine is
added to kill the germs. U2: Water as a resource
• Water is in humans, animals, plants, on the surface
of the Earth and deep underground.
U3: How people get their water • It’s in the air - water is in clouds, snow, rain and hail.
Sample • People need water to stay alive, to grow food
and to keep clean.
• Many people don’t have the equipment to
M4: Water in
South Africa
• Water moves in a natural cycle through the air, land
and sea.
Summaries after sample easily collect, clean, transport and store water. Storing water:
• People store water in buckets and pots to keep it clean and free from dirt.
• Using a water tank is a good way of saving water and keeping it clean.
• Farmers use an irrigation system of pipes and sprays.
Large dams and canals:
• Large amounts of water can be stored in dams.
• The Gariep Dam is on South Africa’s biggest river,
the Orange River.
• Supplies water to people living in large cities, big
factories in Gauteng, farming areas and turbines
that make electricity.
• Canals channel water from the Orange River to the
Fish River and Sundays River.
GR4 SS-GEO T4-M4 Mind Map Study&Master Copyright © www.summariessa.co.za (DO NOT COPY)