Our Earth Day: Climate Change, Interdependencies of Ecosystems, Coral Reefs BUNDLE • SEMiPRO Montessori-inspired Science help (6 printable pages + key): Great for Earth Day and every day! These Earth Science pages guide young scientists to:Explore what photosynthesis is and how this process relates to the human respiratory systemBegin balancing basic chemical equations using Photosynthesis, Digestion & CombustionExplore where Earth's three fossil fuels (coal, oil and natural gas) come from U