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sieve

Learners pour beads into a sieve filter to sort by size

Exploring Size - Ball Sorter

In this activity, learners use sieves with different-sized holes, to sort balls by size and investigate filtering.

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The National Informal STEM Education Network (NISE Network) is a community of informal educators and scientists dedicated to supporting learning about science, technology, engineering, and math (STEM) across the United States.

The NISE Network is supported by multiple sources of funding - learn more. Except where otherwise noted all materials are licensed under a Creative Commons license, as per the Use and Privacy statement and Legal Notice.