Sugar cubes crumble and fall apart when they get wet. What causes sugar to dissolve?
Why doesn't the flame just continue to burn underneath the bell, no matter how flat you crush it? The answer is air.
You held a burning stick up to a non-burning stick. Why do you now have two burning sticks? The answer is in the nature of fire.
Robert Frost once wrote a poem about coming across an old woodpile in the forest. In describing it he refers to the “slow, smokeless burning of decay.” What a great line of poetry. Neat part about it is, it’s also technically correct. Decay is an extremely slow burning process. Or, you could say, fire is an extremely fast decaying process. In either case, what you have is the combination of carbon, oxygen, and hydrogen. Learn more on this Moment of Science.
Can we make a new ozone? Find out on this Moment of Science.