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From the catalogScience & Nature

Chemical Elements

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

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Bigger datasets,
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The big ones that take real work to put together,
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Collection

U.S. ZIP codes

33,642 ZIP codes with city, county, coordinates, area and 2020 population, from the Census Bureau.

View collection Collection

U.S. public schools

99,088 public schools with district, grades, location, enrollment, teachers and lunch eligibility.

View collection Collection

Occupations and pay

All 1,447 SOC occupations with definitions, employment, and median and percentile pay from BLS.

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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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