Celebrate Earth Day with this literacy center unit. Learn Earth facts, history, problems and ways to help.1 Earth Day Foldable 9 Earth Day Sheets {Looks cute when stapled together}1 Earth Day Cut and Paste8 Vocabulary Cards {Sprout, Sapling, Young Tree, Mature Tree, Recycle Symbol, Recycle Bin, Garbage Can, Earth}Vocabulary: Ecologist, Environmentalist, Geologist, Scientists, Recycle, Reduce, Reuse, 3 R's, History of Earth Day, Trees, Oxygen, Carbon Dioxide, Toxins, and more. Printables, Workshe