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

Photosynthesis I

Through photosynthesis, plants harvest energy from the sun to produce oxygen and sugar, the basic energy source for all living things.…

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Term of the day

atom

[noun] The smallest unit of an element that retains the chemical properties of the element. Atoms can exist alone or in…

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