+
Activity
Smithsonian Institution

Lemelson Center: Spark!lab: Make a Yo Yo From Recycled Stuff

For Students 3rd - 5th
This activity explains how to use materials that might otherwise be recycled in order to create a yo-yo.
+
Lesson Plan
Other

Teaching Ideas for Primary Teachers: Science Ideas

For Teachers Pre-K - 1st
A great resource to discover fun new activities to use in your classroom. Activities are age-appropriate, and span several science topics.