2DAge 10+10 min
A weight on a spring: heavier means slower
Three weights of 0.25, 1 and 4 kg bob on identical springs. The light one is quick, the heavy one slow, and the chart shows the period.
Projects gallery
Physics experiments
Interactive experiments for kids, students and teachers. Run each one right on the page, then open a copy in the Tymora editor and change mass, friction, elasticity or gravity. Every experiment comes with discussion questions and a version to try at home.