Water class 7

What percentage of water on Earth is SALT WATER?

• 97.5%
• 2.5%

What percent of water on earth is FRESH WATER?

• 97.5%
• 2.5%

When water changes form from a LIQUID to a GAS?

• Condensation
• Evaporation
• Precipitation

When water changes from a GAS to a LIQUID?

• Condensation
• Evaporation
• Precipitation

A lack of water in an area is called ____.

• water scarcity
• water footprint

Water on the top the earth can form lakes or rivers, these are termed ____.

• fresh water
• infiltration
• surface water
• groundwater

What is the driving force of the water cycle?

• evaporation from the ocean
• heat from the sun
• precipitation from rainfall
• runoff from mountains

The amount of water on average used by individuals, based on domestic is and agricultural or industrial consumption is termed ____.

• transpiration
• fresh water
• water scarcity
• water footprint

Does everyone have access to a clean water supply?

• Yes
• No

Water scarcity that is the result of inadequate natural water resources to supply a region's demand

• economic water scarcity

• physical water scarcity

• water stress

• United Nations