A learning space for science educators and students

Free Award-winning Content
Free Award-winning Content

We create and provide high-quality, accessible, educational content in the science, technology, engineering and mathematics (STEM) disciplines at the introductory undergraduate level.

About us
Next Generation Science Standards
We support NGSS

Our exclusive content integrates science and engineering practices with disciplinary core ideas and cross-cutting concepts in alignment with the Next Generation Science Standards.

About NGSS

Quick Quiz

Any kind of rock can melt to form magma.

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Module of the day

Mario Molina

This module traces the life and scientific research of Mario Molina, the first Mexican-born chemist to win the Nobel Prize. Working…

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Term of the day


[noun] A process of excessive plant growth in a water body (usually phytoplankton) in response to an influx of nutrients. The excessive…

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