Astronomy Day was May 10th, but you can celebrate it all year with these great activities!
Impact Craters
Collecting Micrometeorites
Grades: K-12
Find out where to look and how to collect tiny micrometeorites that fall to Earth and accumulate in your backyard.
http://astro.if.ufrgs.br/solar/edu/micromet.htm
Lunar Impact Crater Geology and Structure
Basic information and diagrams on meteors, meteorites and the formation of impact craters.
http://www.lpi.usra.edu/expmoon/science/craterstructure.html
Making Impact Craters
Basic crater-making activity with comparison of craters on the Earth, Moon, and Mars.
http://www.lpi.usra.edu/education/explore/shaping_the_planets/activity_glance2.shtml
http://www.lpi.usra.edu/education/explore/shaping_the_planets/activity_impacts.shtml