This 93-page printable science bundle teaches 3rd graders about animal classification, habitats, food chains, and more. Includes answer keys. What's inside?Vertebrates vs Invertebrates (cut & paste, word search)Animal groups: Mammals, Birds, Fish, Reptiles, AmphibiansAnimal habitats: Forest, Desert, Rainforest, Grassland, Ocean, ArcticCarnivores, Herbivores, Omnivores (party activities)Food chain & Food web (predator, prey, producers, consumers)True or False, matching, mazes, writing practiceCom