Download Describing Weather -- Lesson 1 Study Guide Key

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Describing Weather -- Lesson 1 Study Guide
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Learning Goals
Describe weather.
List and define the variables used to describe weather.
Explain the parts of the water cycle that are directly
connected to weather.
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Self Assessment
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I fully understand the learning goal. I can explain it to a classmate or teacher orally or written
without the use of notes. I can give specific real world examples.
I understand the learning goal and can explain the main points. I am still unsure about the
fine points, details and/or real world examples.
I understand parts of the learning goal. I will need to review the main ideas, details, and
examples so that I can become more confident in achieving this goal. I can identify what I
have completed and learned, and where I need assistance.
I do not understand this learning goal. I do not feel that I would be successful in answering
questions about this learning goal.
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***In order to be successful on the quiz for this lesson, one should complete the following tasks
associated with Chapter 13 Lesson 1.
✔
Level
1
2
3
Tasks
Read Describing Weather page 209 to 214
Respond to the key concept questions and the questions that are associated with them
(see below)
Create a set of flashcards for the vocabulary on page 214
Review the assignments and activities that were associated with this lesson
Complete Content Practice A and Crossword Vocab that is attached to this Study Guide
Key Concept Outline
A. What is weather
1. The atmospheric conditions, along with short-term changes, make up the
_____weather____of a certain place at a certain time.
B. Weather Variables
1. Scientists who study and predict weather are ___meteorologists___.
2. Air___temperature___ is the measure of the average kinetic energy of molecules in the
air. Molecules in warm air move _____faster_____ than molecules in cooler
air.
3. _____Air pressure______ is the pressure that a column of air exerts on the air or
surface below it.
a. Air pressure decreases as altitude ____increases_____.
b. A(n) ___barometer____ is an instrument used to measure air pressure.
4.______Wind_______ is caused by air moving from an area of high pressure to an area
of low pressure.
a. In a south wind, the wind is coming from the _____south______.
b. The instrument used to measure wind speed is a(n)___anemometer___.
5. The amount of water vapor in the air is ____humidity____.
a. When air is ____saturated____, it holds the maximum amount of water vapor
possible at that temperature.
b. __Relative Humidity____ is the amount of water vapor in the air compared to the
maximum amount of water vapor the air can hold at that temperature.
c. Relative humidity is reported as a(n) ______percent____.
6. When air near the ground becomes saturated, the water vapor condenses into a
liquid and forms _________dew________.
a. If the temperature is below 0°C, ice crystals, referred to as _____frost____, form.
b. The temperature at which air becomes fully saturated because the temperature
decreases while the amount of moisture stays constant is the __dew point__.
7. As warm air rises in the atmosphere, it ______cools_____.
a. When the air cools enough that the ____dew point____ is reached, small droplets of
water form.
b. Compare the shape and altitude of the 3 main cloud types
Stratus
Cumulus
Cirrus
Description of
Flat, layered
Piled, heaped, fluffy
wispy
shape
Altitude
0-2,000m
2,000-6,000m
Above 6,000m
8. ___Precipitation__ is water, in liquid or solid form, that falls from the atmosphere.
9. The ___water cycle____ is the series of natural processes in which water continually
moves among oceans, land, and the atmosphere.
a. Water enters the atmosphere as water vapor when liquid water on Earth’s
surface _____evaporates____.
b. As water vapor cools, it ____condenses____, forming liquid water.
c. Clouds produce _____precipitation____, which is when liquid or frozen water falls to
Earth’s surface.
LESSON 1
Content Practice A
Rain
Snow
Sleet
Hail
Directions: Use the diagram to answer each question.
Question
Rain
Snow
Sleet
Hail
What form is the water in
when it is in the clouds—
liquid or solid?
Liquid
Liquid & Solid
Liquid
Solid
What is the air temperature
near the clouds—warm or
cold?
Warm
Warm
Warm
Cold
What is the air temperature
near Earth’s surface—warm
or cold?
Warm
Cold
Cold
Warm
What is the form of
precipitation that falls—
liquid or solid?
Liquid
Solid
Solid
Solid
How are rain, snow, sleet,
and hail part of the water
cycle?
What role does temperature
play in the type of
precipitation that develops?
They are different forms of precipitation that move water from
the atmosphere to Earth’s surface.
Temperature determines whether water falls in liquid or solid
form.
LESSON 1
Key Concept Builder
Key Concept What variables are used to describe weather?
Directions: Use the clues and the terms listed below to complete the puzzle.
air pressure
humidity
air temperature
precipitation
Across
2. another term for air pressure
4. when water, in liquid or solid form,
falls from the atmosphere
5. measure of the average kinetic energy
of molecules in the air
6. amount of water vapor in the air
7. amount of water vapor in the air
relative to the maximum amount of
water vapor the air can contain at that
temperature
barometric pressure
relative humidity
dew point
Down
1. temperature at which air becomes fully
saturated
3. pressure that a column of air exerts on
the air or surface below it
Key Concept Builder (KEY)
1. dew point 2. barometric pressure 3. air pressure 4. precipitation 5. air temperature 6. humidity 7. relative humidity