Description In my research notebook I had a long list of unanswered questions about the universe and everything around us. PACHI'S SECRET LOG: - Does the rain smell? - Why do tree leaves change color in the fall? - Did humans always have five fingers? - Where does sea salt come from? - Why do stars twinkle? My dad and I started a field study: we went on a trip, we camped outside, we cooked together, we played with Legos, we watched movies... and we CHECKED OFF my entire list in the most entertaining way!