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

DNA III

In the field of molecular biology, scientists examine how DNA encodes all the complexities of living things. This third module in…

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Term of the day

dipole-dipole interaction

[noun] An interaction between two or more molecular dipoles resulting from the attraction between oppositely charged ends of the molecules.

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