Fun-filled 5- to 10-minute science activities for young learners

Charlotte Sassman writes about early childhood education and classroom management. Her books include "The Scholastic Book of Early Childhood Learning Centers" and "Teaching Effective Classroom Routines." She also authored "Day-by-Day 100th Day Activities."

Deborah Diffily is the author behind the Scott Foresman reading series, a familiar name for many who learned to read. Her work focuses on foundational literacy and educational materials.