27.3 Flashcards
What percentage of water on Earth is salt water?
97% of water is saltwater.
What percentage of water on Earth is freshwater?
3% of water is freshwater.
Where is the majority of freshwater found?
The majority of freshwater is found in glaciers.
Where is the smaller percentage of freshwater found?
The smaller percent is found in lakes,rivers,and stored as ground water.
What is precipitation?
When water vapor in the air cools condenses to form, rain, snow, sleet. and hail
What is runoff?
Water running off the land surface.
What is infiltration?
The process by which water enters Earth and becomes groundwater below the surface.
What is transpiration?
When plants release water vapor into the atmospere through their leaves.
What is evaporation?
When water enters the atmosphere as water vapor.
What is condensation?
When water vapor collides with other water vapor molecules to form water droplets.
What is the water cycle?
The six steps
What is an unsaturated zone for groundwater storage?
The porous area where water easily passes through.
What is a saturated zone for groundwater storage?
Beneath the unsaturated zone, where water completely fills the pore space.
What is a water table?
The upper boundary of the saturated zone,
What does it mean if sediment is permeable?
Water can go through it to the ground better.
