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ES Ch 11 Rev
Study Guide for Ch 11 test
| Question | Answer |
|---|---|
| A combination of many ___ makes up Earth's atmosphere | gases |
| The combination of gases in the atmosphere and their percents are___ | 78% Nitrogen, 21% oxygen, 0-4% water vapor, .93% Argon, .038% carbon dioxide, .01% trace gases |
| Out of all the gases that make up the atmosphere, which two does not vary? | Nitrogen and oxygen |
| Other than gases, what else is found in the atmosphere? | dust, water droplets, salt, and ice crystals |
| How many oxygen molecules make up ozone? | 3 oxygen molecules |
| How does ozone help us? | It blocks out harmful ultraviolet rays from the sun |
| Name the layers of the atmosphere in order from the layer closest to earth and up. | troposphere, stratosphere, mesosphere, thermosphere, exosphere |
| Atmospheric layer where weather occurs | troposphere |
| Atmospheric layer where the ionosphere is included. | thermosphere |
| Atmospheric layer where ozone is found | stratosphere |
| Atmospheric layer between earth's atmosphere and out space | exosphere |
| Atmospheric layer that contains the most pollution | troposphere |
| What marks the boundary between each layer? | temperature change |
| Heat always moves from ___ to ___ objects | warmer to cooler |
| The sun's energy reaches earth's surface by ____. | radiation |
| A pan of water being heated on a stove is an example of ____. | conduction |
| Hot air rising and cool air sinking is an example of ____. | convection |
| Three properties of the atmosphere are ___. | temperature, air pressure, and humidity |
| The faster the particles move, the higher the ___ will become. | temperautre |
| Freezing point of water on the kelvin scale | 273 |
| Boiling point of water on the kelvin scale | 373 |
| Freezing point of water on the celsius scale | 0 |
| Boiling point of water on the celsius scale | 100 |
| Freezing point of water on the fahrenheit scale | 32 |
| Boiling point of water on the fahrenheit scale | 212 |
| Air pressure is often measured in units of ___. | millibars |
| The density of the layers of the atmosphere ___ as altitude increases | decreases |
| If temperature increases, but density is constant, the pressure ___. | increases |
| If the temperature increases and the pressure is constant, the density ____. | decreases |
| Air (wind) generally moves from regions of ___ density and pressure to regions of ___ density and pressure. | higher to lower |
| Higher up from earth's surface surface, air encounters less ____ and wind speed ___. | friction increase |
| How does a cloud form? | * Warm air rises * As air rises it expands * As air rises it cools and condenses * A condensation nucleus forms and grow larger * When the nucleus is large enough, a cloud will become visible |
| How are clouds classified? | By their appearance and altitude |
| Name 2 low clouds and describe their appearance | cumulus (puffy, lumpy clouds) stratus (blanket-like and layered clouds) |
| Name 2 middle clouds and describe their appearance | altocumulus clouds (gray, large, round masses or wavy rows) altostratus (gray thin sheets of clouds) |
| Name 2 high clouds and describe their appearance | cirrus (thin, whispy clouds) cirrostratus (vary in thickness from almost transparent to dense enough to block out the sunlight) |
| Name the type of cloud that causes sever storms and describe its appearance | cumulonimbus cloud (tall, towering clouds) |
| Name four types of precipitation | rain, snow, sleet, hail |
| What determines the type of precipitation that falls? | the vertical variation of temperature in the atmosphere |
Created by:
jjones87
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