The Riddle of the Spinning Sycamore Seed

Summary

While playing in her tree house, Jesse is intrigued by a falling sycamore seed that slowly spins to the ground. But when she sees acorns falling fast directly down to the ground, she must solve the riddle while learning about propellers and windmills and using technology to understand aerodynamics.

©2020 Ken Bowser (P)2021 Red Chair Press LLC