An instrument used to measure atmospheric pressure.

The process by which water changes from a liquid to a vapor.

Tall, dark clouds associated with thunderstorms and heavy rainfall.

A boundary where warm air replaces cold air, often bringing steady rain.

A boundary where cold air pushes under warm air, often causing storms.

A front that remains in place for several days, leading to prolonged weather patterns.

A tool used to measure the amount of rainfall.

An instrument that measures wind speed.

A device used to measure relative humidity in the air.

A tool that shows the direction of the wind.

Thin, wispy clouds high in the sky, usually indicating fair weather.

Uniform gray clouds that cover the sky, often bringing light rain.

Towering, dark clouds that produce thunderstorms.

The amount of water vapor in the air compared to what it can hold at a specific temperature.

Formula for Relative Humidity

(Actual water vapor / Maximum water vapor) x 100.

Represented by red semicircles on a weather map.

Represented by blue triangles on a weather map.

A blue “H” indicating clear, calm weather.

A red “L” indicating cloudy, stormy weather.

A scientist who studies and forecasts weather.

A device that measures air temperature.

Moisture that forms on cool surfaces due to condensation.

A large, powerful storm system with strong winds and heavy rain, forming over warm ocean waters.

A small, intense storm with a rotating column of air that touches the ground.

A large body of air with consistent temperature and moisture characteristics.

Example Problem 1-At 45°F, the air can hold 18 grams of water, but it holds only 6 grams. What is the relative humidity?

Solution: (6 / 18) x 100 = 33.3%.

Example Problem 2-At 75°F, the air holds 32 grams of water vapor out of a possible 100 grams. What is the relative humidity?

Solution: (32 / 100) x 100 = 32%.

Weather 2 Test Flashcards

Student preview

34 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Fog

Back

A low-lying cloud that touches the ground.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

2.

FLASHCARD QUESTION

Front

Condensation

Back

The process where water vapor turns into liquid water, forming clouds.

Tags

NGSS.MS-ESS2-4

3.

FLASHCARD QUESTION

Front

Stratus

Back

A type of cloud that forms in uniform layers, often covering the entire sky.

4.

FLASHCARD QUESTION

Front

Cumulus

Back

Puffy, white clouds with flat bases, often seen in fair weather.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

5.

FLASHCARD QUESTION

Front

Coriolis Effect

Back

The deflection of moving air and water due to Earth’s rotation.

Tags

NGSS.MS-ESS2-6

6.

FLASHCARD QUESTION

Front

Jet Stream

Back

Fast-moving air currents high in the atmosphere that influence weather patterns.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

7.

FLASHCARD QUESTION

Front

Trade Winds

Back

Steady winds that blow from east to west near the equator.

Tags

NGSS.MS-ESS2-6

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