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44 Cards in this Set

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  • Back

Compare weather and climate

Weather is the daily atmospheric conditions, while climate is the average atmospheric conditions

Name the layers of the atmosphere (starting closest to earth)

Troposphere, stratosphere, mesosphere, thermosphere

List a characteristic of the troposphere

Contains all weather

List a characteristic of the stratosphere

Contians ozone layer

List a characteristic of the mesosphere

Meteors burn up there

List characteristics of the thermosphere

Contains auroras

Where is the ozone layer, and why is it so important?

The ozone layer is in the stratosphere, and it protects us from harmful UV radiation released from the sun

How does temperature change as you go into the troposphere?

The further up in the troposphere you are, the cooler the temperatures become

What happens to air pressure as you go further into the atmosphere? Why?

Air pressure decreases as air molecules spread out and it becomes less dense.

What happens to air pressure as elevation increases?

Air pressure decreases

What happens to air pressure as water vapor decreases?

Air pressure increases

What happens to air pressure as temperature decreases?

Air pressure increases

What instrument do you use to measure air pressure?

A barometer

What part of the global wind system do we live in?

The westerlies

How does air pressure move (low-->high, high-->low, both)?

High to low

Process in which warm fluids rise and cool sink


What effect makes winds appear to curve due to earth's rotation?

Coriolis force

Would the air at the equator rise or sink?


The  day time diagram shows __________, and the night time diagram shows_________.

The day time diagram shows __________, and the night time diagram shows_________.

Daytime diagram-sea breeze

Night time diagram-land breeze


The amount of moisture in the air

Relative humidity

Percentage of saturation in the air

Absolute humidity

Weight of water in a given volume of air


Maximum weight of water vapor that a given volume of air can hold at a definite temperature

Dew point

Temperature at which the air much cool in order to be saturated


Air that is filled to capacity with water vapor


The change of water vapor into liquid water

When air is cooled, it can hold ______ vapor than before


Why does dew form on the grass in the morning?

During the day, the air is warmer and can hold more moisture. At night, air cools and can't hold hold moisture so the water vapor condenses out of the air and onto surface in the form of dew.

List the three steps of cloud formation

1.) Sun's heat warms the ground

2.) Warm air forms above the ground and begins to rise

3.) As a warm air bubble rises, it cools it to its dew point temperature and condenses on particles in the air to form clouds

What are the two most common gases in the atmosphere, and what are their percentages?

Nitrogen (78%) and Oxygen (21%0

Why do we have seasons?

Earth's axis is tilted, resulting in unequal amounts of heat energy year round

What are some greenhouse gases?

Water vapor, carbon dioxide, methane, ozone

What are some ways that carbon is put into the atmosphere?

Humans, animals, industry, plants, oceans

What is the largest source of pollution to our atmosphere?

Burning fossil fuels

What are some possible consequences of climate change?

Melting glaciers, water shortages, wildfires, etc.


The percentage of light reflected by an object

How does elevation affect climate?

As you go higher in elevation, the average temperature of region decreases

How does latitude affect climate?

As latitude increases (moving towards the poles), average temperatures decrease

How does proximity to water bodies affect climate?

Being located to a body of water moderates temperatures, keeping them fairly constant as well as increasing the amount of rainfall

How do global winds affect the climate?

Global wind belts carry heat around the globe as well as large amounts of water.

How does topography and mountain ranges affect the climate?

Mountain ranges affect the amount of rainfall in an area by forcing them upwards, creating a large amount of rainfall on one side of a mountain and none on the other.

Greenhouse effect

The natural warming of earth due to the trapping of heat by greenhouse gases

How are winds named?

By the direction in which they move


Lines of equal air pressure