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24.1/ 24.2
Water and its Forms
| Question | Answer |
|---|---|
| Water as a gas is called ___________. | Water vapor |
| All gases are __________. | invisable |
| ______________is condensed water. | Vapor |
| Water in the atmosphere exists in 3 forms: | gas, solid, and a liquid |
| A cloud is visible so it is not a ______. | gas |
| Ice is held together in a definite _______ shape. | cyrstalline |
| ___________ changes water from one state of matter to the other. | Temperature |
| The process by which a solid changes directly to a vapor is called __________. | sublimation |
| When air is dry and below freezing, it will ____________. | sublimate |
| The amount of water in the atmosphere is called ___________. | humidity |
| As water molecules evaporate, the __________ of air increases. | humidity |
| When air can hold no more water it becomes ______. | saturated |
| As temperature rises the amount of water the air can hold ___________. | increases |
| As the temperature decreases, the amount of water the air can hold __________. | decreases |
| Explain why water can hold certain amounts in certain tempertures: | At a certain temperature, relative humidity changes as moisture enters or leaves the air. It also changes if the amount of moisture in the air remains the same, but the temperature of the air changes. |
| Skipping a state of matter due to extreme temperature change | sublimation |
| Vapor to ice | skips the liquid state |
| ice to vapor | skips the liquid state |
| Dry ice goes thru ________. | sublimation |
| Frozen CO2 sublimates into a __________. | vapor |
| Co2 freezes at _________________. | - 109 degrees Fahrenheit |
| Process by which a liquid becomes a gas | condensate |
| gas becomes a liquid | condensate |
| some form of water that falls from a cloud | precipitation |
| ____ and _______ are visible masses of H20 or ice in the atmosphere. | Clouds and fog |
| Both _ and _ originate from water vapor. | clouds and fog |
| Clouds result from the _______ thru a large volume of water. | condensation |
| In order for water vapor to condensate, a ______ must be available. | solid surface |
| Air contains millions of solid particles such as _,_, and _ | ice, salt, and dust |
| Suspended solid particles in the air provide a ______________ needed condensation to occur. | surface's |
| Solid surfaces in the air provide a ______ for condensation to occur. | surface |
| Why do solid particles stay suspended for a longtime? | air is more dense |
| Water molecules collect on solid surfaces in the atmosphere to form ___________. | water droplets |
| As temperture goes down, air can hold ________ water. | less |
| When air rises into less pressure areas, air molecules _______________. | move apart |
| As compressed air spreads out, potential _______ is used up. | energy |
| When stored energy in air molecules is used up, ________ cools. | air |
| Changes in temparture that result from the expansion or compression of air is called ________. | adiabatic |
| Expansion causes air to __________ and compression causes air to ______. | fool; heat up |
| Most clouds form from ______ cooling. | convective |
| The level at which clouds form is called the ____ level. | condension |
| When warm moist air is forced up a slope, the air cools to form __________. | clouds |
| This is why mountaintops are usually _______. | cloudy |
| Clouds also form when a warm moist air meets ______ air mass. | cold |
| Advection cooling creates clouds when wind carries _____. | warm, moist air across cool ocean |
| Name the 4 ways clouds form _______, ___________, ______, and _______. | convective cooling, forceful lifting, temperture changes, and advective cooling. |
| Clouds are most commonly named by their _________________ and ________. | altitude and shape |
| The 3 main types of clouds are ________, __________, and __________. | stratus, cumulus, and cirrus |
| The lowest clouds in the sky are ___________. | stratus |
| Stratus means __________ or ____________. | sheetlike or layered |
| The term _____ or ________ means rain. | nimbo or nimbus |
| The term _______ means high. | alto |
| 2 variations of stratus clouds are _______________ and __________. | nimbostratus and altostratus |
| Cumulus means _______ or ________. | piled or heaped |
| Cumulus clouds are __________ with high billowy tops. | thick |
| The flat bottom of some clouds indicates the exact point where ________ began. | condensation |
| The lowest cumulus clouds are called _______. | stratocumulus |
| Cumulus clouds usually form in _____ weather. | fair |
| On hot, humid days, warm moist air rises to its greatest ____. | heights |
| On these days, large thick clouds called __________ or _____________ form. | cumulonimbus or thunderclouds |
| The highest clouds in the sky look ________ and __________. | wispy and featherly |
| Cirro and cirrus mean ___________. | curly |
| Cirrus clouds can form 7- 13 km above the earth's surface where temperatures are _______. | low |
| Cirrus clouds are made of ____________. | ice crystals. |
| Extremeley high, billowy clouds are called ______. | cirrocumulus |
| A _______ appears around the sun or moon when covered by a cloud made of ice. | halo |
| Cumulus clouds are the _____ clouds. | tallest |
| Cumulus clouds can extend from ________ to _______. ( miles and kilos) | 3 km. to 18 km.;1.8 miles to 10.8 |
| ______ are high, light gray clouds that cover the sky. | altostratus |
| ______ clouds create an overcast day with no threat of rain. | altostratus |
| ___________ are low, dark gray clouds which create an all day rain. | nimbostratus |
| There are ______ things needed for condensation. | 3 |
| 4 ways clouds are formed: | nuclei, saturation, and temperature |
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surfergurl
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