This unit includes 6 lessons (50 minutes each) and 11 pages of printable work bundles. The Work Bundles have students fill-in critical notes, conduct exciting hands-on activities, answer questions, interpret graphs, includes games, built-in quizzes, and much more. The work bundles chronologically follow the detailed and interactive set of slideshows. A quiz game concludes the unit for a great review and additional assessment. Answer Keys, materials list, video links, crosswords, built-in quizze