As you might imagine, there is a wealth of resources on planets and the Solar System, including a number of excellent activity guides for use in the classroom. A sample of some is below:
Have another website or printed piece on this topic that you have found useful? Share it in our Comment space below!
Links
[1] http://mars.jpl.nasa.gov/
[2] http://marsed.asu.edu/stem-lesson-plans
[3] http://saturn.jpl.nasa.gov/index.cfm
[4] http://saturn.jpl.nasa.gov/education/overview/
[5] https://solarsystem.nasa.gov/educ/lessons&Grade=&LessonLength=&Target=&Mission=&TagDCI=&TagPr=&TagCCC=&Keywords=
[6] http://solarsystem.nasa.gov/ssa/home.cfm
[7] http://btc.montana.edu/messenger/teachers/teacher_index.php
[8] http://pluto.jhuapl.edu/Participate/teach/Activities.php
[9] http://lunar.gsfc.nasa.gov/teacherresources.html
[10] http://lcross.arc.nasa.gov/education.htm