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| Third layer of the atmosphere closest to earth |
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| This layer of the atmosphere is where weather occurs. |
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| This layer of the atmosphere has very few atmospheric molecules, which can escape into space. |
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| This layer of the atmosphere extends to about 30-35 miles above the earth's surface. |
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| This layer of the atmosphere is where weather occurs. |
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| The air of our planet is 79% of what gas? |
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| How much Oxygen is the air made of? |
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| How many distinct layers of the earth from closest to farthest from the earth are there? |
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| Meteors or rock fragments burn up in this layer of the atmosphere. |
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| This layer of the atmosphere is where the space shuttle orbits. |
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| This layer of the atmosphere has very few atmospheric molecules, which can escape into space. |
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| Weather occurs in this layer of the atmosphere. |
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| This layer of the atmosphere has the most atmospheric pressure. |
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| This layer of the atmosphere extends from the top of the thermosphere to 6,200 miles (10,000 km) above the earth. |
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| This layer of the atmosphere would feel very cold to our skin due to the very thin atmosphere. It is the coldest layer of the atmosphere! It can reach -90C (-130F!!) |
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| On Earth, as elevation increases, air pressure is increases or decreases? |
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| Where on earth is air pressure highest? |
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| What kind of weather is associated with high pressure? Good weather or bad weather? |
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| Good weather...with no clouds and lots of sun. |
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| What kind of weather is associated with low pressure? |
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| Bad weather...Lousy weather with lots of clouds, rain. Remember Low pressure EQUALS Lousy weather |
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| Weather balloons are found in this layer of the atmosphere. |
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| The layer merges with the emptiness of outer space, where there is no atmosphere. |
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| The layer of the atmosphere that is closest to earth. |
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| This is the 2nd layer of the atmosphere closest to earth. |
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| This is the 3rd layer of the atmosphere closest to earth. |
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| This is the 4th layer closest of the atmosphere to earth. |
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| This is the 5th layer of the atmosphere closest to earth. |
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| This layer of the atmosphere is very sensitive to solar activity and can heat up to 1,500°C (2732F!!!) or higher when the Sun is active making an aurora that lights up the night sky. It's the HOTTEST layer! |
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| The ozone is found WITHIN the this LAYER of the atmosphere. (The ozone ABSORBS harmful ultraviolet rays of sunlight.) |
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| This is the layer of the atmosphere where Military and passenger jets fly. |
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| Would air pressure be greater at the top of the mountain or at the bottom of a mountain? |
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| As the number of molecules of air around you decreases, the air pressure increases or decreases? |
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| Decreases (Hint: Since they spread out, the molecules have less weight...not as many air molecules.) |
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| What is the envelope of gaes that surrounds the planet called. |
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(1) most common gas in the atmosphere.
(2) 3/4 of the air we breath |
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| What plants and other organisms use light to convert water and carbon dioxide into this and to produce food. It makes up 21% of the atmosphere. |
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| importance of the atmosphere |
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(1) Important to living things b/c living things need warmth and liquid water.
(2) By trapping energy from the sun, the atmosphere keeps most of Earth's surface warm enough for water to exist as a liquid.
(3) protects living things from ultraviolet radiation from the sun.
(4) protects the earth's surface from being hit by most meteoroids, which are rocks from outer space. |
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| What is the force pushing on an area or surface called? |
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| What is the result of the wight of a column of AIR pushing down on an area called? |
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| Is air pressure greater or less at sea level? |
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| As the altitude increases (you go higher), the temperature increases or decreases. |
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| "Thermo" (thermosphere) means what? |
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| "Tropo" for troposphere means what? |
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| It means turning or changing. (Our weather is constantly changing in this layer of the atmosphere which we live.) |
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| Does air have mass? Yes or no |
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| Yes (it consists of atoms and molecules...these do take up space.) |
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| An instrument used to measure air pressure is called what? |
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| Air pressure increases or decreases as altitude decreases. |
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| Plants take in this gas from the air to make food. |
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| This layer of the atmosphere extends from the top of the troposphere to about 50 kilometers above Earth's surface. |
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| This is he layer of the atmosphere where we live. |
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| "Meso" for Mesosphere means what? |
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| This layer of the atmosphere begins 50 kilometers above Earth's surface and ends at an altitude of 80 kilometers |
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| This layer of the atmosphere extends from 80 km above Earth's surface outward into space. |
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| What is amount of matter in a given space? |
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| Which is denser, hot air or cold air? |
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| Mass, density, and pressure are all properties of what? |
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| Cold air masses have higher pressure or lower pressure than warm air masses. |
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| Higher pressure (heavier, cold air sinks so pressure is greater) |
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| Warm air masses have higher pressure or lower pressure than cold air masses. |
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| Lower Pressure (Warm air rises, less pressure) |
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| Elevation above sea level is called what? |
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| Air pressure in Columbia, SC, is greater or less than the air pressure on top of the Appalachian Mountains? |
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| greater air pressure in Columbia, SC. (less pressure the higher you go up) |
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| Air pressure increases or decreases as altitude decreases? |
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| As air pressure decreases, does the density of the air increase or decrease? |
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| Decrease (spreads out and becomes lighter) |
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| As air pressure increases, does density increase or decrease? |
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| Increase (moves together and becomes heavier) |
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| ________________ pressure is caused by the weight (force) of a thick layer of air above the earth's surface. |
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| Air gets thinner as altitude increases or decreases. |
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| When John goes underground into a cave, does the air pressure increase or decrease? |
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| When John goes underground into a cave, does the air become more or less dense? |
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| Which layer of the atmosphere has the lowest atmospheric pressure? |
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| Exosphere (lighter at top, more pressure at bottom) |
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| Both the space shuttle and the International Space Station orbit in the middle-to-upper part of this layer of the atmosphere. |
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| Some man-made satellites orbit the Earth within this layer of the atmosphere. |
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| Birds fly into the this layer of the atmosphere. |
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