"Vivi loves science! In this STEM-themed Level 3 I Can Read! title, Vivi and her friends visit the aquarium and are introduced to the concepts of density and buoyancy. A great choice for aspiring scientists, emerging readers, and fans of Andrea Beaty's Ada Twist, Scientist. Includes activities, a glossary, and a fun experiment to do at home. "-- Amazon. "Vivi loves science--and experimenting! In this Level 3 I Can Read! title, Vivi and her classmates...