The FEMA Library has two checklists for kids and parents to prepare for emergencies (PDF). These documents are also available in these languages:
Family Communication Plan for Parents and Kids
Here are two Family Communication Templates designed for kids and for parents to organize emergency contact phone numbers and identify an emergency meeting place.
Materials for Educators
Youth Emergency Preparedness Curriculum for grades 1-12 (4 PDFs) that teach kids what to do before, during, and after an emergency while fostering critical 21st-century skills such as problem solving, teamwork, creativity, leadership, and communication.