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

Mendel and Inheritance

Inheritance patterns have been of interest since ancient times, but it was Gregor Mendel's work in the mid-1800s that confirmed that…

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Term of the day

collision theory

[noun - chemistry] A theory used to predict the rate at which chemical reactions occur and the factors that affect these…

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