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

Absorption, Distribution, and Storage of Chemicals

In order for many medicines to work, the chemicals must move from the outside environment into the body. This module discusses…

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Term of the day

dipole-induced dipole interaction

[noun] An interaction between a dipole and an induced dipole resulting from the attraction between opposite charges in the dipole and the…

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