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Meteorology
| Question | Answer |
|---|---|
| Where are the prevailing westerlies? | West to East |
| What direction do the winds blow in the Northern Hemisphere? | Southeast |
| What direction do the winds blow in the Southern Hemisphere? | Northwest |
| Why are the prevailing westerlies important? | They are winds that cause the Gulf Stream to carry warm water from the Equator to Western Europe |
| What is a jet stream? | Bands of high speed winds |
| What direction do the jet stream winds blow and at what speed? | West to East, 200-400 km per hour |
| How can people use the jet streams? | It saves time and fuel |
| Why would a pilot not want to fly with the jet stream if they are headed West? | It will slow them down tremendously |
| What force is pulling air down? | Gravity |
| Can the weight of air change? | Yes, it gains weight when its cold and loses weight when its warm |
| In which type of temperature do molecules move faster? | Hot |
| What direction does cold air travel? | Down |
| Does temperature affect air pressure? | Yes, hot air rises and cold air comes down to take its place |