5 Questions
What percentage of the Earth's surface is covered by water?
71%
Where is the majority of Earth's water found?
Oceans
What percentage of water is found in glaciers and polar ice caps?
2.4%
Where is 1.6% of water found on Earth?
Below ground in aquifers
What is the solid state of water called?
Ice
Study Notes
Water: Vital for Life
- Water is a chemical substance composed of hydrogen and oxygen, essential for all known forms of life.
- It exists in three states: liquid, solid (ice), and gas (water vapor or steam).
- 71% of the Earth's surface is covered by water.
- The majority of Earth's water is found in oceans and large water bodies, with 1.6% in aquifers and 0.001% in the air.
- Oceans hold 97% of surface water, glaciers and polar ice caps 2.4%, and other land surface water 0.6%.
- Access to safe drinking water has significantly improved over the last decades.
- Only a very small amount of Earth's water is contained within biological bodies and manufactured products.
- Clean, fresh drinking water is essential for human and other life forms.
- Water is found in vapor, clouds, and precipitation in the air.
- Glaciers and polar ice caps hold 2.4% of the Earth's water.
- Rivers, lakes, and ponds hold 0.6% of the Earth's surface water.
- Water is vital for life on Earth.
Test your knowledge of water technology and its significance in human life with this engaging quiz. Explore the various states and forms of water, its abundance on Earth, and its importance for sustaining life.
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