Photo credit: Steve Spangler Science

As many of you learned in school, hydrogen is basically “the lightest and most abundant chemical element, constituting roughly 75% of the Universe’s chemical elemental mass.” We’ve rounded up five of the coolest experiments that make use of this chemical element. Continue reading to see them all.

5. Hydrogen Meets Chlorine

4. Solar Hydrogen Home

3. Sound of Hydrogen

2. Hydrogen Balloon

1. Hydrogen Car

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