Earth: A Primer
A science book/app for playful people
Earth: A Primer launched on February 3, 2015 with 76 votes, #611 of 1,772 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 11 years on.
What it does
Discover how Earth works through play! Earth Primer is a science book for playful people. Visit volcanoes, glaciers, sand dunes. Play with them, look inside, and see how they work. The forces of nature are at your fingertips.
Form glaciers, sculpt sand dunes, make mountains, and control the weather. As you progress unlock new tools, pages, and a sandbox mode where only your imagination is thefrom earthprimer.com
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