Science activities 3rd grade

Activities for the 3rd year of elementary science education about completing the crossword with the 5 groups of vertebrate and invertebrate animals, what are animals vertebrates, activities about the human body on how we should take care of our bodies and classify animals according to their class: herbivore, carnivore and omnivorous. Several and diverse suggestions for exercises and activities to apply to students in the 3rd year of elementary school!