science fair

noun

: a typically competitive exhibition of science projects usually prepared and presented by schoolchildren

Examples of science fair in a Sentence

She won first place at the science fair.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Last year's science fair projects was a device to help people with blindness navigate the world. Libby Smith, CBS News, 1 May 2026 The annual show, which resembles a big, buzzy science fair, will host more than 100 exhibitor booths across 36,000 square feet. Samantha Conti, Footwear News, 28 Apr. 2026 Student of the Week offers schools the chance to celebrate teens who have placed in an art, dance or music competition, excelled in a science fair, won an essay contest, received a scholarship, were recognized for their volunteer service or have shined in some other way. Erick Trevino, AZCentral.com, 23 Mar. 2026 The Cybertruck mileage methodology As any middle and high school science fair student knows, testing something once isn’t good enough. Adam L. Neal, USA Today, 9 Mar. 2026 See All Example Sentences for science fair

Word History

First Known Use

1930, in the meaning defined above

Time Traveler
The first known use of science fair was in 1930

Browse Nearby Words

Cite this Entry

“Science fair.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/science%20fair. Accessed 7 May. 2026.

Kids Definition

science fair

noun
: an exhibition of science projects typically prepared and presented by schoolchildren
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