Little green aliens have invaded the planet! No, not space invaders from Mars. These are plant invaders. Sure, they look harmless. But invasive species can wreak havoc on ecosystems. Learn how people are working to slow the invasion and restore landscapes to their natural beauty--and what you can do to help!
Created in collaboration with the Smithsonian Institution, this book builds students' literacy skills while fostering curiosity, creativity, and innovation. The hands-on STEAM challenge is ideal for makerspace activities, and guides students through every stage of the engineering design process. This book features: