Geography: Water Flashcards
Why is sea water salty?
It contains minerals and salts washed off the land carried to the sea by rivers.
What percentage of the earths water is salt water?
97%
True or False: Salt water is thicker than fresh water. Humans and objects float better in salt water.
True.
Where are some of the places in nature that we can find fresh water?
Streams, lakes, wetlands and underground water.
What is the most important reason people need water?
To survive.
Some of the uses for water?
Drinking, washing, farming, making things.
What is it called when we run out of water?
Drought.
Name some of the places where we can store water.
Dams, water tanks, buckets, pots.
What do farmers use water for?
For the livestock to drink.
Water the plants/farms so that they grow.
What is a dam?
Where a large amount of water can be stored.
How does a windmill make water?
Pumps it from the underground.
Some of the places water is stored on farms:
Canals which direct the water to the fields.
Dams to store water for the dry season
Windmills to pump from the underground.
Troughs where the animals can drink from.
What is the name of South Africa’s largest dam?
Gariep Dam which borders the Free State and Easter Cape.
What is a river?
A large amount of overground water that flows downhill.
What is a stream?
A small river.
