Earth Day Activities! Informational Texts Plus More. These informational texts also make great practice for standardized test!Celebrate Earth Day's 53rd anniversary! Earth Day is officially on Monday, April 22, but you can celebrate all week by reading nonfiction texts and doing corresponding activities: The Plastic Problem, Water Wisdom, and Go Green! The Power of Renewable Energy. There is also a Recycling Facts Infographic, an Endangered Species Webquest, a dripping water lab, a Dandelion