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Cloud (Mid-Summative Exam 6)
Test Review
19
Science
7th Grade
11/02/2009

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Cards

Term
Evaporation
Definition
Liquid to a Gas
Term
Condensation
Definition
Gas to a Liquid
Term
Humidity is recorded as a ____
Definition

%

percentage

Term
Relative Humidity is a comparison between
Definition

the amount of water vapor in the air AND

the amount of water vapor needed to saturate the air at that temperature

Term
When the temperature increases and the amount of water vapor stays the same, what happens to the relative humidity?
Definition
It decreases.
Term
Why isn't the dew points always the same?
Definition

The amount of water vapor can change from day to day.

 

Different temperatures can hold different amounts of water vapor.

(Warm air=holds more WV)

Term
Humidity
Definition
water vapor in the air
Term
Saturation
Definition
when the air can hold NO more water vapor
Term
Dew Point
Definition
Temperature at which condensation takes place
Term
Condensation Nuclei
Definition
tiny particles that water vapor can condense on
Term
Radiosonde
Definition
weather balloon instrument package
Term
Cirro
Definition
cloud is very high
Term
Cumulus
Definition
heap (pile up)
Term
Nimbus
Definition
rain
Term
Alto
Definition
middle level cloud
Term
Stratus
Definition
layer
Term
Who can draw a diagram for cloud formation?
Definition
Term
The 6 steps to cloud formation?
Definition

1. Water absorbs radiant energy from the Sun.

2. Water evaporates.

3. Water vapor rises and cools.

4. The TEMPERATURE reaches the dew point.

5. Water vapor condenses on condensation nuclei.

6. Cloud forms!

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