Can we build a bird feeder that keeps squirrels out? Where do earthworms like to live? Does color affect human emotions? Readers will learn the answers to these
How do different types of soil affect germination? How do light and dark affect leaves? Can you tell how old a tree is? Young scientists will explore structures
How do your eardrums work? Can odor molecules pass through a solid the same way they pass through air? How does your sense of smell affect how something tastes?