Are you searching for a fun, easy-to-use, no-prep activity or worksheet for this Earth Day season? Do you want your kids ( 6th, 7th, and 8th grades ) to learn equations (including solving equations with variables on both sides) while having a great time? Well, these Earth Day color-by-number sheets are just what you need!All you have to do is print and go. This gives you some extra time to do other things or just chill out. And your students will love that they get to work and relax with colori