What powers the water cycle?
the SUN!
What is the definition of an AQUIFER?
storage and flow of underground water
When the water table gets BELOW the level of a cave, it could form a...
SINKHOLE
Between what two areas is the water table found?
The zone of AERATION and SATURATION
Which one helps to drain a watershed area?
surrounding water systems like rivers and lakes
septic tanks
sewage treatment plant
alluvial plain
Percolation won't happen if the rock is....
dry
dissolved
permeable
impermeable
What percent of the Earth's water can you drink if you filtered it?
3% about!
How do you describe a MATURE river?
has few waterfalls, slower, wider, more turns
What does a youthful river have that a mature river doesn't?
WATERFALLS! FAST MOVING WATER!
List the 3 factors that affect stream/river erosion:
Load, Discharge & Gradient!
Define tributary:
a stream t hat flows into a river
Define DIVIDE, as in Continental Divide
an area of higher ground between watersheds where the water will drain from
Define EROSION:
The process of carrying and moving soil & sediment from one place to another
How must you dig a well??
Well below the water table.... or it will run dry!
What does the word POROSITY mean?
The amount of PORES or space that exists btwn rocks in an aquifer.
