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