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Note Helpers
Unit 2
Weather
Water in the Atmosphere
Humidity:
Water in the atmosphere exists in 3 main states.
a.
b.
c.
Measuring the amount of water vapor in the air:
Relative Humidity:
Dew point:
Dew and Frost:
Fog
a. Advection fog
b. Radiation fog
c. Precipitation fog
d. Steam fog
e. Upslope fog
f. Valley fog
Clouds
a. Stratus:
b. Cumulonimbus:
c. Cumulus:
d. Stratocumulus:
e. Altostratus:
f. Nimbostratus:
g. Altocumulus:
h. Cirrostratus:
i. Cirrocumulus:
j. Cirrus:
Cloud Formation:
a. Convection –
b. Topography –
c. The Convergence of
air –
d. The movement of a
cold front –
e. The movement of a
warm front –
Precipitation Formation:
a. Drizzle –
b. Rain –
c. Freezing rain –
d. Dry snow –
e. Wet snow –
f. Hail –
Lightning Movement of Air in the Atmosphere:
A. Wind –
B. Cause of Wind –
C. Wind speed
D. Isobars –
E. Wind Direction –
Section 2 • Weather Patterns Sections • Weather Forecasts
Directions; Unscramble the terms in italics to complete the sentences below. Write the terms on
the lines provided.
_______________ 1. A boundary between two different air masses is called a norft.
_______________ 2. Atmospheric serpuser is determined by the temperature and density of the
air and the amount of water vapor in it.
_______________ 3, Storms and ipitrpitconea occur at fronts.
_______________ 4. Fronts usually bring a change in etertermaup.
_______________ 5. Fronts always bring a change in wind iridotnec.
_______________ 6. A(n) ria sams is a large body of air with the same properties as Earth's
surface under it.
______________ 7. A line connecting points of equal temperature is a(n) timsrohe.
_______________ 8. A(n) tiostan emdol shows the weather conditions at one specific location.
Directions: Write the descriptive terms for air masses in their proper places on the map. Note
that cool/moist and warm/moist appear twice.
Homework
Unit 2 Weather
Air Movement
Directions: Write the term that matches each description below in the spaces provided.
Unscramble the letters in the strike through boxes to write a phrase related to the lesson.
1.
Caused by the uneven heating of Earth and its
atmosphere
2. Imaginary line around the middle of Earth
3. Windless zone at the equator which sailing
vessels try to avoid
4. Winds generally responsible for the movement of weather across the United States and Canada
5. Winds that provide a dependable route for trade
6. Cool breezes during the day caused by differences in heating and cooling rates of land and water
7. Narrow belts of strong winds at high altitudes which blow near the top of the troposphere
8. Cool breezes at night caused by differences in heating and cooling rates of land and water
9. Heat from the Sun
10. The deflection of air masses resulting from Earth's eastward rotation
11. Winds that blow from the North and South Poles
12. The phrase is:
______________________________________________________________________________
Homework
Unit 2 Weather
Directions: Identify the illustrations below as showing a sea breeze at land breeze.
Cause and Effect
Directions: Match each cause with the correct effect. Write the letter of the effect in
the blank before the cause.
____ 3. The equator gets more solar energy.
____ 4. Warm air is less dense than cold air.
____ 5. The poles receive less solar energy.
____ 6. Cold air is denser than warm air.
____ 7. Warm air molecules are farther apart.
____ 8. Earth rotates.
a. Cold air sinks.
b. Air near the equator is warmer.
c. The Coriolis effect exists.
d. Warm air rises.
e. Warm air is less dense.
f. Air near the poles is colder