WATER IN THE WORLD TOPIC TEST

Front

Why is Australia uniquely challenged when it comes to water resources?

Back

It is the driest inhabited continent on Earth

Answer explanation

Australia is uniquely challenged by water resources because it is the driest inhabited continent on Earth, leading to limited freshwater availability and significant water management issues.

Front

How many liters of water does it take to make one pair of jeans?

Back

7,000 litres

Answer explanation

It takes approximately 7,000 liters of water to produce one pair of jeans, accounting for the entire production process, including growing cotton, dyeing, and finishing the fabric.

Front

During the Millennium drought (2003-2012), what was one way the NSW government responded? Options: They gave away free water, They issued fines for banned water usage, They built more swimming pools, They encouraged more water usage

Back

They issued fines for banned water usage

Answer explanation

During the Millennium drought, the NSW government issued fines for banned water usage to enforce conservation measures. This response aimed to reduce water consumption and manage the severe water shortage effectively.

Front

Which statement best explains why water is important beyond just drinking? It's only needed for swimming, It's only used for washing, It's required to produce most things we eat, wear and use, It's only needed for plants

Back

It's required to produce most things we eat, wear and use

Answer explanation

Water is essential not just for drinking but also for agriculture, manufacturing, and daily activities. It is required to produce most things we eat, wear, and use, making it vital for our overall economy and lifestyle.

Front

What percentage of Earth's total water is freshwater available for human use?

Back

Less than 1%

Answer explanation

Less than 1% of Earth's total water is freshwater available for human use. Most of Earth's water is saltwater in oceans, and only a small fraction is accessible for drinking and agriculture.

Front

How many people approximately die every minute due to water-related issues?

Back

4 people

Answer explanation

Approximately 4 people die every minute due to water-related issues, highlighting the critical impact of water scarcity and pollution on global health.

Front

Which of these uses the MOST water to produce? One apple, One piece of paper, One pair of jeans, One glass of water

Back

One pair of jeans

Answer explanation

Producing one pair of jeans requires about 7,000 liters of water, significantly more than the water needed for one apple, one piece of paper, or one glass of water. Thus, jeans use the most water to produce.

Front

How have water resources contributed to global conflicts?

Back

At least 21 military conflicts in the past 50 years

Answer explanation

Water resources have been a source of tension and conflict, with at least 21 military conflicts in the past 50 years linked to water scarcity and access, highlighting their significant role in global disputes.

Front

What is the main challenge with Earth's water supply?

Back

Most water is saltwater or frozen and not directly usable

Answer explanation

The main challenge with Earth's water supply is that most of it is saltwater or frozen, making it unusable for drinking and agriculture. Only a small fraction of Earth's water is fresh and accessible.

Front

What is the primary state of water found in oceans and rivers?

Back

Liquid

Answer explanation

The primary state of water in oceans and rivers is liquid. This is because water exists in its liquid form at the temperatures and pressures found on Earth's surface, making it essential for life and ecosystems.