Perfect Pairs, 3-5

Hands-on lessons can be fun and compelling, but when it comes to life science, they aren''t always possible, practical, effective, or safe. Children can''t follow wolves as they hunt elk, visit a prehistoric swamp, or shrink down to the size of a molecule and observe photosynthesis firsthand. But they can explore a whole world of animals, plants, and ecosystems through the pages of beautifully ill...