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

Experimentation in Scientific Research

Manipulating and controlling variables are key aspects that set experimentation apart from other scientific research methods. This module highlights the principles…

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Term of the day

Fisher, Ronald

[person] English statistician, geneticist, and evolutionary biologist born in London (1890-1962). He is considered the father of modern statistics. In 1919, Fisher…

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