Barbara J. Feldman

Grades 1–2When one object moves against another, the result is friction. … [Read more...] about Slime Time

Kindergarten–Grade 1Learning to make and test predictions is a good first step toward making and testing hypotheses. … [Read more...] about Float or Sink?

Kindergarten–Grade 1Children can improve their understanding of the natural world and their classification skills by observing bugs. … [Read more...] about Bugs!

Preschool–KindergartenChildren can learn more about surface tension and about change just by blowing bubbles! … [Read more...] about Bubbles

Preschool–KindergartenThese simple activities demonstrate surface tension. … [Read more...] about Breaking the Tension