PHS 111 EXAM 2
An airplane flying at 20,000 feet is above how much of the earth's atmosphere?
50%
When water vapor in the atmosphere condenses onto a condensation nuclei what happens?
A cloud forms
What is fog?
A cloud near the surface
Explain why your ears pop when driving down a mountain
Air is moving from the atmosphere into your eardrum
What do you get on grass when the dew point is below 32 F?
Frost
Describe how warming air affects its ability to hold water vapor
Increased capacity to hold water vapor
What happens to the temperature as you increase in altitude in the stratosphere?
Increases
Air moving down a mountain slope is often warm because...?
It is compressed as it moves to lower elevations
Name the type of fossilization pictured below on right and left
Left is a cast, right is mold
Without adding or removing any water vapor, a sample of air experiencing an increase in temperature, what happens to the relative humidity?
Lower Relative Humidity
The Cenozoic is known as the Age of the...?
Mammals
Freezing water exerts pressure on the wall of a crack in a rock mass, making the crack larger. This is an example of what type of weathering?
Mechanical Weathering
What are the two basic types of weathering?
Mechanical Weathering Chemical Weathering
Deposits of bulldozed rocks and other materials that remain after the ice melts is called a ___________
Moraine
Where would you find the intertropical convergence zone and what causes this area to exist?
Between 10 S and 10 N, caused by intense heating at equator
Name the three ways that a glacier erodes
Bulldozing Abrasion Plucking
What Era do we live in?
Cenozoic
What are the two types of glaciers?
Continental Glacier Alpine Glacier
What is this picture demonstrating?
Creep
What type of cloud is pictured?
Cumulonimbus cloud
A decrease in the density of a column of air causes the barometric pressure to?
Decrease
What forms when a stream/river flows into an ocean or lake?
Delta
What type of drainage pattern is shown in this photo?
Dendritic Drainage Pattern
Define wavelength
Distance from crest to crest of a wave
Describe how a land breeze forms
During the night the air over land is cooler and develops a high pressure in relation to the low over the water, air moves from H to L over water
The process of physically removing weathered materials
Erosion
What condition means a balance between the number of water molecules moving to and from the liquid state?
Evaporation
The picture below is an example of this type of weathering
Exfoliation
Where does a meandering stream deposit most of its sediment?
On the inside of a meander
What feature is pictured and how does it form?
Oxbow lake, when a stream meander is cut off
Name three examples of chemical weathering
Oxidation Carbonation Hydration
Name the four eras from first to most recent
Precambrian Paleozoic Mesozoic Cenozoic
Which of the following is not a common way for fossils to form?
Preservation of soft parts in amber
Faults, folds, and igneous intrusions are always younger than the rocks they originally occur in What principle is described above?
Principle of Crosscutting relationships
The answer to the previous question was based on what principle?
Principle of Superposition
"The present is the key to the past" Name the principle that this statement is referring
Principle of Uniformity
What kind of drainage pattern and where would you most likely find it?
Radial Drainage Pattern On a dome of igneous rock, volcano, etc..
In the lab we found that the _________ humidity was __________ than outside
Relative, higher
What is the name of structure pictured and what formed it?
Roche Moutonnee formed by glaciers
A likely source of loess is.....?
Rock flour (from glaciers)
The second youngest fossil pictured below is in which layer of rock?
Second layer from top
What is the name of the device this man is using and what does it measure?
Sling Psychrometer, relative humidity
Which cloud type is associated with long periods of drizzle, rain or snow?
Stratus
Define dew point
The temperature at which the relative humidity and the absolute humidity are the same
What type of cloud is pictured?
-
What type of climate would have the most rapid chemical weathering?
Tropical Climate
What layer of the atmosphere do we live in?
Troposphere
A time break in the rock record is a(n)____________
Unconformity
"Shape" of valley and what carved?
V-shaped valley carved by stream
What is the distance from the trough to the crest of a wave called?
Wave height