World Water Day 2022

The World Water Day has been celebrated since...

• 1992

• 1993

• 2002

• 2003

Answer explanation

The first celebration took place one year after Rio's United Nations Conference

Water is essential! Which are examples of its importance ?

• Water provides a habitat for many forms of life.

• Without photosynthesis green plants would not survive.

• The hydrosphere helps maintain viable temperatures for life.

• Water helps us maintain a stable body temperature, digest our food, and absorb nutrients.

The water cycle comprises...

• Percolation

• Evaporation

• Condensation and Precipitation

• Transpiration

DRAW what is missing ...

The Water Molecule is...

• polar and contains 2 atoms of Oxygen and 1 of Hydrogen.

• nonpolar and contains 2 atoms of Oxygen and 1 of Hydrogen.

• polar and contains 1 atom of Oxygen and 2 of Hydrogen.

• nonpolar and contains 1 atom of Oxygen and 2 of Hydrogen.

How many Molecules are there in a Drop of Water (consider MASS of 100 drops = 3,68g)?

• 1.67×10²¹

• 1.67×10²

• 1.63×10²⁰

• 1.23×10²¹

In the school library, one of the exhibition mottos is Save Water, save ____!

The Water footprint measures...

• the amount of water used to produce each of the goods and services we use.

• how much water is being consumed by a particular country – or globally – in a specific river basin or from an aquifer.

• how fast we consume resources and generate waste compared to how fast nature can absorb our waste and generate resources.

The grey water footprint...

• is the amount of fresh water required to assimilate pollutants in the production process to meet water quality standards.

• is water from precipitation (rain or snow) that is stored in the root zone of the soil and evaporated, transpired or incorporated by plants

• is water that has been sourced from surface or groundwater resources and is either evaporated, incorporated into a product or tipped into the sea

Another exhibition is about Caneças Heritage. Fill in the missing word: "Não Vá em _________ , beba água de Caneças!"