Oreo Cookie Mitosis The problem was: What do I do with the students the day before Winter Recess? We were about to finish the Reproduction and Development Unit but needed one or two days of review before the test.  I know a lot of teachers like to show a video but the way I see it you are essentially telling the students that "today isn't an important day, you aren't important to me, let's just take it easy." I was looking for a fun activity that would help the students review and would entertain them and keep them out of trouble for 40 minutes.  For whatever reason I ended up googling: Mitosis Cookies and found resources and ideas on the following websites: www.paec.org www.alopategui.com www.teacherweb.com www.amphi.com I then took parts from each site and created this handout for my 9th grade Biology students:  Click here for the handout oreo cookies provided by students They brought in plenty of c...