For younger students, this set of bilingual Earth Day-themed puzzle cards is a simple way to introduce new vocabulary.
The 12 cards feature different ways to be kind to the Earth...in English and Spanish.
Just print, cut, shuffle, and have your students piece them back together. This activity it good for language learners and preschoolers. You can laminate them for added durability.
UPDATED: This file now contains 36 cards: 12 in Spanish, 12 in English, and 12 bilingual cards.