This activity explores differences in children’s effort when praised for “hard work” or “being smart”.


Presentation Type: Experiment

Age group(s): Children (9 to 11-year-olds)

Time: 7-10 min

Scientific Topic(s): Psychology; Developmental Science

Supplies in Library Kit:

  • 1 set of puzzle blocks (in “Blox Fun” box)
  • 18 small (2×2) puzzle cards
  • 12 large (3×3) puzzle cards
  • Praise Instructions

Additional Resources:


This kit comes from the Living Laboratory and was developed at the Maryland Science Center. Click here to learn more about the Living Laboratory!

Return to Main Library

Skip to toolbar