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

Density is defined as

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Module of the day

Using Graphs and Visual Data in Science

Understanding graphs and other visual forms of data is an important skill for scientists. This module describes how to read and…

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Term of the day

dimensional analysis

[noun] A method for converting between units of measurement.

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