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know99 Television is the youth and education cable channel operated by the City of Phoenix, as seen on Cox Cable channel 99 and CenturyLink 8006. "Grow what you know" with our programming for learners of all ages

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AZ Science and Engineering Fair 2018416https://i.ytimg.com/vi/_wagDGpEEvQ/hqdefault.jpgAZ Science and Engineering Fair 2018https://www.phoenix.gov/know99site/MediaAssets/AZ Science and Engineering Fair 2018Managed by Arizona Science Center, AzSEF brings together first-place winners from school, homeschool, district, county and regional science fairs across Arizona to compete for thousands of dollars in prizes and scholarships.0x0120D520A8080069B139409605C342B6C0F7760D5C7584text/html; charset=utf-8 Video