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From the collectionScience & Nature

Chemical Elements

Example records from Chemical Elements
Element	Symbol	Discovered
Actinium	Ac	1899
Aluminum	Al	1825
Americium	Am	1944

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01U.S. StatesGeographyState names and abbreviations for a form, a lookup, or a map.Free dataset 02U.S. PresidentsHistoryPresidential records for a lesson, a timeline, or a history project.Free dataset 03Chemical ElementsScience & NatureElement names, symbols, weights, and discovery dates for your project.Free dataset

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Students & new developers JSON

A portfolio project with real data.

Build an HTTP status-code explorer. Practice searching and filtering JSON records, including what to show when a search finds nothing.

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Developers & internal tools API

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Build country and language selectors for an internal supplier directory. Try the working example, then get the complete lists with a pass.

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Teachers & homeschool families CSV

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Turn constitutional amendment dates into a timeline. Find patterns in a spreadsheet, then investigate the history behind them.

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Developers & data projects XML / ZIP

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