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Ch.15
Study Guide
| Question | Answer |
|---|---|
| List the examples of local winds? | land breeze and sea breeze |
| What are the auroras and where are they found? | auroras are the northern lights or the reasons that the northern lights happen and they are found in the northern hemisphere. |
| Our ozone layer absorbs which type of harmful radiation from the sun? | UV radiation |
| How much oxygen and carbon dioxide is found in our air? | 1% |
| which global wind blows away from the poles to the west? | Easterlies |
| What are the 2 most abundant gases found in the air? | Nitrogen, Oxygen |
| . Describe air pressure. | The weight of all of the atmosphere pushing down on you |
| What happens to air pressure as altitude increases? | air pressure decreases |
| Describe jet streams. | Winds that never stop and they go all the way around the world at high speeds |
| What is the greenhouse effect? | When greenhouse gases are trapped in atmosphere causing global warming. |
| Explain the 3 ways that heat is transferred. | conduction through touching, radiation from heat in the air, and convection from the moving of heat |
| What does the Coriolis Effect make the winds do? | it makes them flow in different directions on each hemisphere |
| Describe the doldrums. | a calm area of winds that always blow |
| What is the ozone layer? Where is it found? | it is the layer of the atmosphere that protects us from harmful rays from the sun |
| Describe the thermosphere. | the warmest layer of the atmosphere |
| What is the most common atmospheric gas? | Nitrogen |
| What parts of the earth cools off faster and heats up faster? What does this unequal heating create? | the holes in the ozone make the entire earth heat up faster and this is called global warming |
| What is smog? | smoke and pollution going up into the atmosphere mixing with the atmospheric gasses such as water vapor and becoming smog |
| Describe the movement of convection currents. | the rising and falling in a circular direction |
| What is significant about the troposphere? | It has the right temperature for life and its 90% of the atmosphere |
| What kind of ways have humans created air pollution? | exhaust burning fossil fuels and many more ways of pollution |
| What is another name for the distance above sea level? | altitude |
| What are global winds? | winds that blow year round and are very powerful and they blow all over the globe |
| What does the name of a wind tell you? | where it comes from |
| How much of the sun’s energy actually reaches the Earth? | 30% |
| Which calm area is located around 30 degrees north and south latitude? | horse latitudes |
| . List the 3 global winds and the 2 calm areas. | doldrums, horse latitudes, and westerlies, easterlies, trade winds |
| What is global warming? | the warming of the earth due to holes in our atmosphere |
| . If air mass increases what happens to density? | it also increases |
| What type of winds blow over short distances? | local winds |
| How are all winds created? | the rotating of Earth |
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