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

Carbon is a common component of

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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

element

[noun] One of fewer than 118 pure chemical substances. An element is a substance composed of atoms with identical atomic number.

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