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Chemical Kevin is growing up. [Flask labelled 'Chemical Kevin']

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Like all boy and girl chemicals when

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they reach a certain age, Kevin is

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starting to experiment with other [Kevin pouring chemicals]

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chemicals. It's a new and exciting time

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for him, but it's also a little scary.

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Most times that Kevin's gone out of his

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comfort zone and interacted with another

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chemical, there's been some sort of

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reaction. Often it's nothing major, but

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every once in a while, there are some [Kevin reacting with other chemicals]

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real fireworks. And while those fireworks [Kevin turns black]

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are worth more than the price of

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admission, they're are also enough to scare

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the pants off poor Kevin. His parents were [Kevin in his underwear]

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never very good at preparing him for

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these changes, so he's having to learn

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the hard way. The first change he noticed

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was a color change. Well, when he hooked up

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with Karen, he suddenly traded his pale

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blue color for a vibrant green. It was a [Kevin changes color]

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welcome change, even if he did suddenly

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clash with half his wardrobe. As it was

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later explained to him, every chemical

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compound basically has a kind of

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fingerprint when it comes to color.

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Each compound absorbs a certain set of [A light being shone on a chemical]

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colors of light, but when it's mixed with

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a new compound and the chemical makeup

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changes, so does the absorption spectrum. [The chemical is mixed and it changes color]

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Kevin was just fine with his new look

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though. In fact, people had been telling

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him for quite a while that he should go

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green. Well the next change Kevin noticed was [Kevin kicks a can]

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a change in temperature. When he got [Flames appear]

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together with Kelly, things definitely

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started to heat up in a hurry. Within

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seconds, he'd gone from room temperature [Kevin becoming hot]

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to a toasty 92 degrees. What Kevin

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learned was that when a chemical

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reaction results in the breaking of more

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bonds than are formed, extra energy is

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required and that energy is ultimately

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released, which makes the surroundings

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hotter. No wonder the windows were

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steaming. As Kevin hopped from one chemical [Steamy car windows]

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to another--he wasn't a one-chemical sort

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of guy, unfortunately--he experienced all [Kevin meeting other chemicals]

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sorts of other changes. One time, he

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emitted light; another, he experienced a [Kevin giving off a light beam]

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change in volume; and yet another time, he

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was suddenly able to conduct electricity, [A electric spark coming from Kevin]

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which was a cool party trick. But far and

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away the most humiliating episode was

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when Kevin started macking on Christina. [Kevin and Kristina on a motorbike]

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Well, right in the thick of things, Kevin

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noticed that bubbles of gas had begun to

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appear. How mortifying. But it wasn't

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only the gas. He looked down and sure

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enough, a precipitate had formed at the bottom of his

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beaker. It was tough to say who wanted [Kevin and Kristina looking unhappy]

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out of there faster, Kevin or Christina.

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But, as with other reactions, Kevin

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eventually learned that what he had

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experienced was totally natural. Gas

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bubbles and precipitates are both common

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results of chemical reactions, although

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they don't help to explain those wisps

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of hair that have started to appear on [Kevin growing a moustache]

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Kevin's upper lip. Well, good luck to

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Kevin with all of his future romantic [Kevin on a date]

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endeavors. Hopefully he never forgets

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it's all about the chemistry.

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