University of Maryland Extension

Online Resources



  • Night Sky Notes The Night Sky Notes is a place to keep skywatchers up to date on what's up in the sky. Check back often to find out what's new and visible in our ever changing sky
  • Galaxy Zoo Find out how you can help astronomers explore the universe. You will view images from the NASAQ's Hubble Space Telescope and classify them by shape.


  • GEAR Tech 21 Robotics and GPS GEAR-Tech-21 teaches robotics, GPS, and GIS technologies through building and programming a robot, navigation, and mapmaking activities. The site helps with step-by-step guides and resources. It’s real learning with real adventures! A 4-H club can even compete in virtual competitions with teams located across the country. GEAR-Tech-21 is based on the Nebraska Robotics and GPS/GIS in 4-H: Workforce Skills for the 21st Century program and is funded by the National Science Foundation.

Power of Wind Click this link for online activities and information on the National 4-H Power of Wind Curriculum

National 4-H Engineering Challenge National -H Science, Engineering and Leadership Event, September 2009, Purdue University includes contests in aerospace, bicycle, computer, electric, lawn tractor, robotics, small engines, tractor and welding.

4-H ATV Online Mini Site The site promotes safe and responsible use of ATVs, thereby reducing accidents and injuries that may result from improper ATV operation by the rider.  It includes interactive resources and features.

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