Water Basics
Water Pollution
Desalination
Solutions to Water Scarcity
Global Impact
100

What is water scarcity?

When there is not enough clean water to meet people's needs.

100

What is water pollution?

Contamination of water by harmful substances.

100

What is desalination?

The process of removing salt from seawater to make it drinkable.

100

What is a simple way to save water at home?

Turn off the tap while brushing your teeth.

100

Name one continent affected by water scarcity.

Africa

200

What percent of the Earth's water is freshwater?

About 2.5%

200

Name a common cause of water pollution.

Factory waste, farming chemicals, sewage, etc.
200

What are two methods often used in the process of desalination?

Reverse osmosis and distillation.
200

What is rainwater harvesting?

Collecting and storing rainwater for later use.
200

How does climate change affect water supply?

It changes rainfall patterns and can cause droughts.

300

Name one major cause of water scarcity.

Drought, overuse, population growth, etc.

300

What is point-source pollution?

Pollution that comes from a single, clear source.

300

Why is desalination not used everywhere?

It is expensive and uses a lot of energy.

300

What is drip irrigation?

A method of watering plants slowly to save water.

300

What is the link between poverty and water?

The lack of clean water can keep people sick and unable to go to work or school.
400

What is the difference between physical and economic water scarcity?

Physical is when water is not available; economic is when people can't afford or access it.

400

What is eutrophication?

Excess nutrients in water causing algae blooms and killing fish.

400

What country relies most heavily on desalination?

Saudi Arabia.
400

How can education help solve water issues?

It can teach people how to conserve and manage their water usage better.

400

What is the UN's goal related to water?

They aim for access to clean water and sanitation for all.

500

What region of the world experiences the highest water scarcity?

The Middle East and North Africa.

500

List one health issue caused by drinking polluted water.

Cholera, dysentery, diarrhea, etc.

500

What is one environmental concern of desalination?

It produces salty waste that can harm marine life.

500

What is greywater recycling?

Reusing water from sinks or showers for other uses.

500

What is transboundary water conflict?

When countries or nations fight over shared water resources.

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