Jeopardy #1
Rivers have affected American history because?
Travel expansion
Big cities thrive along them
Energy source
In what type of stream would you expect to see a narrow, V-shaped cross-section?
Steep, high streams would have a narrow, V-shaped cross-section because the stream would fall straight down due to gravity instead of eroding the stream bed.
What is an icicle-shaped formation of calcium carbonate hanging from a cave ceiling?
Stalactite
C comes before G in the alphabet
Stalactites hold “tite” to the ceiling.
Streams west of the North American Great Divide eventually drain into the __________.
Pacific Ocean
A layer of rock that directs groundwater from one place to another is called a(n) __________.
Aquifer
Which of the following are associated with low-gradient streams?
Low-gradient streams erode their banks a lot.
These cause a lot of meanders which can eventually cut off to form oxbow lakes
Solution caves may be found in __________.
Limestone because those are the easiest rock types to get eaten away by chemicals.
What materials have a low permeability?
Any type of material that is extremely close together.
Clay is an example.
A water supply that flows by gravity onto the ground surface from a hillside is classified as a(n) __________.
Spring
Water that is safe for drinking and cooking is described as __________.
Potable
The soapy water that your washing machine produces during a wash cycle is a form of __________ pollution.
Laundry detergent is made up of chemicals that can be harmful to aquatic life.
What is the name for a professional cave scientist?
Speleologist
What contains the greatest amount of the earth's liquid fresh surface water?
The important note here is “liquid”
Lakes and ponds have the greatest amount of liquid freshwater.
What can be used to soften hard water?
Demineralizer and Ion exchangers
Most water used for industrial cooling
Evaporates due to the heat of the equipment and then cools and reenters into the liquid water systems.
What are other names for a stream?
River, brook, tributary, rivulet
The gradient of a stream relates most closely to its __________.
Elevation profile: how steep it is, where its source and mouth are located.
Rocks that contain many cracks or open spaces between their particles are __________.
Porous
Natural caves may be found in __________.
Rocks (due to weather and erosion)
lava tubes
glacial caves
Professionals call an untrained, irresponsible cave explorer a __________.
Spelunking
The most likely reason that an engineer would design and build a levee would be to
Levees help control waterflow
Over time, most lakes will usually?
Get smaller
The flow of groundwater is primarily influenced by __________.
Gravity
Carolina bays get their name from?
A type of tree that often grows in them.
The Bonneville Salt Flats, where many land speed records have been set, are the ancient remnants of a(n) __________.
Salt Lake