The water in our life

WEICOME TO OUR GROUP
There are six members in ours: Yến Vi, Lệ Quyên, Bảo Trân, Minh Nhật, Quốc Toàn, Minh Thông.

How important is water in our life?
What is water?
Water consists of very small molecules. Each of them has two hydrogen atoms and one oxygen atom.
Why is water is vital to life?
Water in our daily lives
Water is used for cooking, bathing and washing .

Water in our daily lives

Water is used to grow plants
Water in our daily lives
Hydroelectric dams hold back needed water and provide power for homes and industries.
Water is interesting for our free time. People enjoy themselves at seaside resorts.
Waterways are an important way for transportation
Water and the human body

Water makes up nearly 85 percent of your brain, about 80 percent of your blood and about 70 percent of your lean muscle.
World water supply

Most of water on earth is found in oceans, it’s saltwater. Only about 3 percent is freshwater in lakes, rivers.
The natural circulation of water

Water moves in a cycle.
Sun’s heat causes water to evaporate  water vapour becomes clouds  rain and snow falls  water runs into lakes and rivers.
Water treatment
Boiling water
Creating a Purifying System in the Wilderness
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Water’s pollution

THANKS FOR YOUR ATTENTION