Expand student's knowledge of environmental issues by learning about natural and synthetic plastics. Print and digital resource with Google Slide file. Easy Prep planning for Earth Day and makes quick sub plans. Students expand their comprehension and vocabulary skills with concept maps, summary strategies, and a crossword. This Reading in the Content Area Lesson Includes:Google Slide Pages with editable text boxes for the student's answers.Google Slide Pages without text boxes for printing.Goog