Science Questions

Science questions are a fun and interesting way to learn about planet Earth, organisms and the universe. In this section you'll find an incredible collection of science questions covering a wide variety of topics.

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Why does hydrogen peroxide foam when you put it on a cut?
Why does hydrogen peroxide foam when you put it on a cut?

It certainly doesn⠙t bubble up at the drugstore, and it⠙s kind of a snooze if you pour it on skin that doesn⠙t have a cut on it. So, what is it about blood that makes hydrogen peroxide start foaming at the mouth?

Why does Alka Seltzer fizz?
Why does Alka Seltzer fizz?

Yesterday you talked about hydrogen peroxide, and the day before you talked about Pop Rocks candy. Since we are talking about things that fizz, what about Alka Seltzer? How does it work and why does it fizz?