The Awesome Physics In A Simple Sparkler

These sparks from the sparkler are HOT. I mean super hot. It depends on the kind of sparkler, but the temperature of these sparks can be anywhere from 1800°F to 3000°F (1000°C – 1600°C). How hot is that? Here are some temperatures of some other things you might have seen.

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SIZE MATTERS

There is another thing about sparks that make them safe: their size. It turns out that these tiny hot sparks don’t stay super hot for long. Why? Because they are so small. Is that crazy? It seems crazy, but it isn’t. In fact, smaller things cool off quicker than bigger things. Why?

Volume matters.

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Epic| said:

Was this written for fourth grade students?

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