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clouds test
sceince test on clouds and water cycle
18
Science
6th Grade
11/06/2009

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Term
cumulus clouds
Definition
Shaped like cotton balls.
Term
cumulonimbus
Definition
Most likely the producers of thunderstorms
Term
nimbostratus
Definition
Low clouds that cover like a blanket and bring on precipitation.
Term
air pressure
Definition

Decreases as you climb to thigher altitudes and oxygen level decreases.

Breathing can become more difficult.

Term
the water cycle
Definition
evaportaion, condensation, precipitation
Term
evaporation
Definition
water vapor heats and rises
Term
condensation
Definition
water vapor cools in the air to form clouds
Term
precipitation
Definition
air becomes saturated and water falls to the surface
Term
oceans
Definition
The greatest source of moisture entering the atmosphere through evaporation
Term
air mass
Definition
caused by pressure in the air
Term
rain
Definition
occurs when the temperature is above freezing
Term
sleet
Definition
occurs when the temperature is below freezing
Term
barometers
Definition
instruments used to measure air pressure
Term
surface run off
Definition
causes erosion
Term
manipulated variable
Definition
the variable that the experiementer decides to change to see if there is or is not an effect
Term
responding variable
Definition
The variable that will change as a result of the change in the manipulated variable. May be observed or measured to determine the quantity or quality of change.
Term
controlled variable
Definition
Are quantities that a scientist wants to remain constant.
Term
hypothesis
Definition
A tentative statement taht proposes a possible explanantion to some phenomenon or event.
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