Shared Flashcard Set

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Mod 7
Mod 7
18
Science
9th Grade
12/09/2011

Additional Science Flashcards

 


 

Cards

Term
Define Aphelion
Definition

The point at which the earth is farthest from the sun

Term
Define Perihelion
Definition

The point at which the earth is closest to the sun

Term
Define Coriolis effect
Definition

The way in which the rotation of the earth bends the path of winds, sea currents, and objects that fly through different latitudes

Term
Define Air mass
Definition

A large body of air with relatively uniform pressure, temperature, and humidity

Term
Define Weather front
Definition

A boundary between two air masses

Term

Identify the clouds below:

 

[image]

Definition
Stratus clouds
Term

Identify clouds:

 

[image]

Definition
Cirrus clouds
Term

Identify clouds:

 

[image]

Definition
Cumulus clouds
Term

Name the three main factors that influence weather,  and which one is mostly responsible for winds?

Definition

The three main factors are thermal energy, uneven distribution of thermal energy, and water vapor in the atmosphere.

 

Winds are caused by imbalances of temperature, which is due to uneven distribution of thermal energy.

Term

What are dark cumulus clouds called?

Definition

 The proper term is called cumulonimbus, but is also called nimbocumulus.

Term

If an area receives a large amount of insolation, is it likely to be warm or cold?

Definition

Insolation stands for incoming solar radiation, which is sunlight. If a region gets a lot of sunlight, it is warm.

Term

If you live in Canada, are the day lengths greater than or less than 12 hours between the winter solstice and the spring equinox? Are the day lengths increasing or decreasing during that time?

Definition

From the winter solstice to the summer solstice, day times in the Northern Hemisphere where Canada is located increase, because the Northern Hemisphere begins pointing toward from the sun.

 

At the spring equinox, the day length is 12 hours. Since the day time is increasing after the winter solstice, the day times must still be less than 12 hours from the winter solstice to the spring equinox.

Term

Why is the Northern Hemisphere in winter when the earth is closest to the sun?

Definition

The Northern Hemisphere is pointed away from the sun at perihelion. This is a much greater effect than the distance from the sun.

Term

What would happen to a plane's flight if they flew from Alaska to Tampa but did not figure in the coriolis effect?

 

Would they miss Tampa?

Definition

A plane flying from Alaska directly toward Tampa, Florida would miss its target due to the Coriolis effect.

 

Term

What are the two specific factors that shape the global winds into the complex patterns that we actually see?

Definition

The change in temperature caused by air changing latitude and the Coriolis effect.

Term
Describe how local winds interfere with global wind patterns
Definition

Local winds causes the wind in a certain region to be different from what we expect based on the global patterns we see?

Term
Describe continental tropical air mass.
Definition
An air mass that is warm and dry
Term

 A warm front is coming in, describe the clouds you see coming in.

 

Do you expect a violent rainstorm or a long, lighter rain?

Definition

You would see cirrus clouds form followed by stratus and nimbostratus clouds and you would expect a longer, lighter rain.

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