<p> Name: ______Air Pressure Questions</p><p>QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.</p><p>Use the information from http://kids.earth.nasa.gov/archive/air_pressure/index.html to help you to answer the following questions.</p><p>1. What is air pressure?</p><p>2. What weather instrument is used to measure air pressure?</p><p>3. Why aren’t we squashed by all the air pressure that is around us?</p><p>4. What kind of weather is associated with a high pressure system?</p><p>5. What kind of weather is associated with a low pressure system?</p><p>6. Click on the ‘control the weather’ link. Complete the table below.</p><p>Barometric Pressure Weather Conditions 900 mb Rain, Thunderstorms 940 mb 960 mb 980 mb 1000 mb</p><p>7. Why do our ears pop?</p><p>8. What happens to a hot air balloon as it rises? Explain why this happens.</p><p>Think About It</p><p>If you were standing on the top of a mountain, would you be experiencing more or less air pressure than we are right now while we’re sitting in our classroom?</p>