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

The amplitude of a wave is a measure of its

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Module of the day

Franklin Chang Díaz

Franklin Chang Díaz, the first Latin American to travel to space, ties the record for the highest number of space flights.…

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Term of the day

Age of Exploration

[noun] (15th-early 17th century) also referred to as the Age of Discovery, this was a time in history during which Europeans explored…

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