Question

Could you please explain meiosis in stages including interphase 1 (crossing over)? I need to understand this for a project at a 7th grade level.
Ms. Sue
http://www.google.com/search?q=meiosis+kids&espv=210&es_sm=93&tbm=isch&tbo=u&source=univ&sa=X&ei=ff-oUv1jxrioAfj_gdgK&ved=0CDEQsAQ&biw=1366&bih=642