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

Wood is considered a mineral.

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Module of the day

Atomic Theory I

The 19th and early 20th centuries saw great advances in our understanding of the atom. This module takes readers through experiments…

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Term of the day

Coriolis effect

[noun] The apparent deflection of objects in motion with respect to a rotating reference frame.

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