Module 3 Flashcards
If rock layers are ___________ then groundwater can flow through them.
Permeable
The organic part of a soil is called humas.
True
Chemical weathering occurs in a warm, humid climate like Florida __________ than it does in cold, dry settings.
faster
The widening of cracks in a rock by water expanding as it freezes is _________,
frost wedging
Sinkholes and disappearing streams that we see in Florida are characteristic of _____________ topography.
Karst
Erosion is defined as the physical or chemical processes of breaking down earth material in place at the surface.
False:
Erosion-Transporting of materials. Important agent is water.
Weathering-breaking down of material (external)
In limestone caves, ________ hang from the ceiling as they form and ___________ grow upward from the floor of the cave.
stalactites, stalagmites
Rainwater is slightly acidic because of the dissolved carbon dioxide.
True
__________ is a combination of air, water, minerals and organic matter.
Soil
The top horizon of a soil is called the A horizon.
False
In the water cycle, the process by which clouds cool and water molecules bond together before falling toward earth.
Precipitation
___________ is the main agent of erosion.
liquid water
All of the following are known sources for groundwater contamination EXCEPT
retail stores
steam in the image (curves like an S)
Meandering stream
The area of sediment production of a stream is its _______________ and the _____________ is the area of sediment deposition.
headwater, mouth is
