Here is about a weeks worth of fun Earth Day lesson plans and activities for elementary students around first grade. Kids will learn Earth Day vocabulary, and to read, write, and spell 35 Earth Day words. These printable save planet earth word puzzles and games will make learning fun, engaging, and almost effortless. They include Earth Day crossword puzzles, an Earth Day spelling game, an Earth Day word search, and more. Learning to Read Earth Day Words Begin each ...