Uploaded October 2025 | Updated September 2026, 1 week ago

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How do some organisms thrive near underwater hydrothermal vents? Could this give us clues as to how life evolved in Earth's early oceans? Find out what organisms can survive extreme conditions in this science project. Written instructions and materials available on our website: sciencebuddies.org/science-fair-projects/project-ideas/MicroBio_p037/microbiology/astrobiology-early-life-planet-habitability-microbiology?ytid=um5-Ts41nHI&ytsrc=description

0:00 Introduction
0:51 Start of procedure (collecting water sample)
1:06 Measuring out water samples
2:16 Measuring pHs
3:11 Changing pH of samples
4:09 Streaking agar plates
5:42 Growing microbes on plates
6:39 Credits

Science Buddies also hosts a library of instructions for over 1,500 other hands-on science projects, lesson plans, and fun activities for K-12 parents, students, and teachers! Visit us at sciencebuddies.org/?ytid=um5-Ts41nHI&ytsrc=description to learn more.

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