The Acadia Files: Book Three, Winter Science

In Book Three of the Acadia Files series, Acadia Greene carries her search for answers into winter.

A melting snowman leads her—of course!—to explore climate change and how to reduce her carbon footprint. The helium balloons at her eleventh birthday party beg questions—naturally!—of molecular structure, weights of gases,and neutral buoyancy. An afternoon making paper airplanes brings discoveries in aerodynamics. Tracks in the snow raise questions of how animals survive the winter. And an aft...