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

Introduction to Descriptive Statistics

Scientists look to uncover trends and relationships in data. This is where descriptive statistics is an important tool, allowing scientists to…

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Term of the day

alchemy

[noun] A medieval chemical philosophy concerned principally with the transformation of base metals into gold, and the discovery of an elixir of life.

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