Science Test Flashcards
(17 cards)
___% of the earth’s water is fresh
3%
a continental divide in PA is found in ___
Appalachian Mountains
The PA watershed that Harrisburg is part of is called
Susquehanna
Land areas that are covered by water during part or all the year
Wetlands
The process of passing water through screens to remove solid particles is called
flitration
all the following river characterstics except for
amplitude
Which inscreases with depth
Pycnocline
Which decreases with depth
Thermocline
Why is there such a sharp change in each at until around 500-1000 meters?
At the transition zone, the density, salinity, and the temperature will all steadily decline or increase, before that the surface zone is rapid decline or increase
What is a wave
A wave is a transfer or energy between water molecule
3 ways a size of a wave can increase
Decrease in wave length, increase in wave frequency
why is a wave different deep out in the ocean compared to when it is closer to the shore
In the deep ocean, there is more space so the wave length will increase and the frequency and the height will decrease
Marshes
Grassland, stream
swamp
flooded forest covered by trees with shrubs growing
Bogs
form of a depression, in a cooler northern area
How does the artesian well work
Artesian wells work by using natural built- up pressure to bring water to the surface
Most of earth’s fresh (76%) is found in
Ice