This is a love letter to water, life’s solvent, and one of the most wonderful molecules around. In this episode of Crash Course Biology, we’ll learn about how water’s polarity and hydrogen bonding help it sustain life on a larger scale. We’ll see how some water-based solutions can be acidic or basic, and examine how our bodies maintain the narrow pH range necessary for life. Chapters:
Hydrogen and Oxygen 0:00
Solvents 2:39
Properties of Ice 5:10
Water’s Properties 6:12
The pH Scale 9:20
Review & Credits 10:51
This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit for more information.
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