Surface Water Flashcards
The maximum amount of salt in drinking water
500 parts per million (ppm)
What maintains the loss and gain of water
The flow of rivers streams and groundwater sources into the oceans
Percent of all water in oceans
97 percent
Percent that freshwater makes up of earths water
3percent
What percent of freshwater is unattainable due to being locked in ice and too deep below the surface
2percent
Percent that’s drinkable
1percent
3 main stages in the water cycle
Evaporation, condensation, precipitation
Amount of liters that a tree can move through a tree to the air
1800 liters
Where water evaporates from
Surface water
Where groundwater ends up
Oceans
What changes water vapor to liquid when cold enough
Condensation
What does air do as it moves away from earths surface
Becomes colder
Why cold air can’t hold as much water as warm air
It is more dense
How many water molecules to make a water droplet
100 million water molecules
How many water droplets to make a raindrop
100 million water droplets
