This astronomy lab is an awesome and hands-on way for your students to learn, first hand, how mass and distance affect the period of revolution of planets. This lab is always a hit with my 8th graders and keeps them full engaged throughout the lesson! The lab itself is two pages and there is a third page of teacher instructions on the supplies you will need for this lab and how to put the kits together. Enjoy!
Make sure to check out my other resources on Astronomy: http://www.teacherspayteachers.com/Store/Mrs-Kendall/Category/Astronomy
(Science, middle school, lab, laboratory, astronomy, planets, period of revolution, period of rotation, solar system)