YBTC chemistry for young children

The You Be The Chemist Challenge® is a fun, FREE, STEM competition for students in grades 5-8. It is a collaborative competition, where students participate in teams of 3-4 and compete for scholarships.

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November 15, 2025, 03:00:16 PM
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July 18, 2025, 02:30:37 PM
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June 27, 2025, 11:54:23 PM
by uma

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June 27, 2025, 11:52:20 PM
by uma

error

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June 27, 2025, 01:08:25 PM
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question ⚛

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March 28, 2025, 12:07:03 AM
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random question

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March 28, 2025, 12:06:20 AM
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March 06, 2025, 10:10:24 AM
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chapter quiz 7

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February 28, 2025, 12:05:29 AM
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February 28, 2025, 12:04:50 AM
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February 28, 2025, 12:04:21 AM
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quiz 8.1

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February 28, 2025, 12:03:37 AM
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February 28, 2025, 12:03:16 AM
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not working quiz

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February 20, 2025, 02:16:21 PM
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half filled

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February 14, 2025, 07:09:10 PM
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February 05, 2025, 12:00:20 AM
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