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Is this a fine extended essay topic for chemistry?


themthem

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Hi everyone,
I was planning to do my extended essay in chemistry and came up with a topic. I haven't framed the research question yet, but my topic is about UV and sunscreens.

So I was thinking about finding 1 or 2 chemicals in 2 different sunscreens and comparing their effect on blocking harmful UV (UVA and UVB). I also plan to determine which substance is more effective at blocking harmful UV rays.

Is this topic okay? I wasn't sure whether it completely fits in the extended essay topic category. I've been having lots of trouble finding a good topic.

Thanks for your help.

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It sounds interesting and easy enough to explain the theory and develop a procedure. There may be some additional reading you need to do to fully explain how sunscreens work (on a molecular level). I think you need an additional independent variable, such as concentration of chemical, in addition to identity of chemical. Wish you the best!

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