WATER

We can only drink ______ _____ water

97% of the water on Earth is:

• fresh water

• drinking water

• salt water

About 10% of the water on Earth can be consumed by living things

• True

• False

Wastewater must pass through a_____________________before we can drink it.

• river

• reservoir

• wastewater treatment plant

• aquifer

EVAPORATION: when the Sun _______ water, and water turns into gas called _______________

• Freezes/ precipitation

• Heats/ water vapour

• Heats / hail

• Freezes/ water vapour

CONDENSATION: The water vapour cools. Drops of liquid join together to form c___________ .

The clouds become heavy and the water falls to the Earth as r___________ or snow. This is called ______________ .

• ray / collection

• rain/ precipitation

• road/ condensation

• rain/ collection

The water collects in rivers and lakes and returns to the oceans. This is called

• Precipitation

• Collection

• Condenstion

• Evaporation

When water melts, it changes from _____________a to a liquid state

• gas state

• solid state

• water vapour

Groundwater is stored in underground layers of rock or earthe called

• River

• Aquifers

• Reservoir

• Lake