WATER & SCARCITY
What percentage of Earth’s water is fresh water?
Less than 3%.
What happens to tension when water supply decreases?
Tension increases.
What is the atmosphere?
The thin layer of gases surrounding the Earth.
What is a natural resource?
A material found in nature that humans use.
Name one rock type.
Igneous / sedimentary / metamorphic.
What does water scarcity mean?
When water supply cannot meet demand.
What is a pressure point in water supply?
When demand and supply are close to collapse and need management.
What is the biosphere?
All living plants and animals on Earth.
What is the key difference between renewable and non-renewable resources?
Renewable can be replaced; non-renewable cannot.
Which rock type forms from magma or lava?
Igneous.
Why is water not evenly shared around the world?
Differences in climate, population, and access.
Give one reason why water wars are started.
Rising demand, population growth, climate change, pollution.
What is the hydrosphere?
All water on Earth, including oceans, rivers, lakes and rain.
Classify oil as renewable or non-renewable.
Non-renewable.
Which rock type forms in layers?
Sedimentary.
What does “1 out of 4 people” mean in relation to water?
One in four people experience water scarcity.
Name one international river with water conflict.
The Nile / Mekong / Colorado / Tigris–Euphrates.
What is the lithosphere?
The Earth’s crust including rocks, landforms and soils.
Name two renewable resources.
Wind, solar, water, air (any two).
Name one region that produces large amounts of oil.
Middle East / Africa / Russia / South America
Name two problems caused by water scarcity.
Conflict, poor health, food shortages, economic problems.
Why is the Nile a source of conflict?
Different countries depend on and control its water supply.
Why are Earth’s spheres interconnected?
They depend on each other to function properly.
Why are natural resources important for human wellbeing?
They provide energy, food, water, shelter and jobs.
Name one region that consumes large amounts of oil.
Asia / Europe / North America.