Crime Busters B

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Crime Busters B

Post by pikachu4919 » August 17th, 2020, 2:58 am

Crime Busters B: Given a scenario, a collection of evidence, and possible suspects, students will perform a series of tests that along with other evidence will be used to solve a crime.

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Re: Crime Busters B

Post by Crimesolver » September 13th, 2020, 3:24 pm

Here's a website I created to simulate lab for crime busters!- https://crimebusters-simulator.netlify.app/
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azboy1910 (September 13th, 2020, 4:21 pm) • CPScienceDude (September 13th, 2020, 5:04 pm) • jaspattack (September 13th, 2020, 5:58 pm) • gz839918 (September 13th, 2020, 9:04 pm) • SilverBreeze (September 16th, 2020, 10:45 am) • sneepity (September 17th, 2020, 5:09 am)
Keep on going :)

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Re: Crime Busters B

Post by azboy1910 » September 13th, 2020, 4:21 pm

Crimesolver wrote:
September 13th, 2020, 3:24 pm
Here's a website I created to simulate lab for crime busters!- https://crimebusters-simulator.netlify.app/
This is really cool and useful and I know this will be helpful to many teams, including ours. Thank you!
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Re: Crime Busters B

Post by SilverBreeze » September 16th, 2020, 10:45 am

Crimesolver wrote:
September 13th, 2020, 3:24 pm
Here's a website I created to simulate lab for crime busters!- https://crimebusters-simulator.netlify.app/
This is amazing! I'm being super nitpicky but the iodine sample should turn clear with Vit C (although I believe it's the only acid on the list so pH should be enough to ID anyway).
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Re: Crime Busters B

Post by Crimesolver » September 16th, 2020, 6:32 pm

SilverBreeze wrote:
September 16th, 2020, 10:45 am


This is amazing! I'm being super nitpicky but the iodine sample should turn clear with Vit C (although I believe it's the only acid on the list so pH should be enough to ID anyway).
I got that fixed! I totally forgot to include that, so thanks for letting me know!
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azboy1910 (September 16th, 2020, 6:38 pm) • SilverBreeze (September 17th, 2020, 1:41 am)
Keep on going :)

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Re: Crime Busters B

Post by SilverBreeze » September 17th, 2020, 1:52 am

A note for test writers going by the MiniSO model: some Crime Busters powders can only be identified by appearance. If you choose to not provide pictures or a description of the powder, please make sure the powders you chose can be uniquely identified from the test results you provide. For example, salt and sugar don't react to anything and have the same pH and can only be identified by crystal shape. Cornstarch and flour both turn purple/black in iodine but have distinct appearances and textures.

Be careful with using pH to ID, as a lot of powders are very close to neutral and deviations are usually specific to the sample used (for example, the wiki says sand has a pH of 6, but it could be 7 or 8 depending on where the sand is from and what other compounds are in it). Additionally, pH is dependent on concentration, so if your ratio of sample to water is significantly different from what competitors are used to, you will get different pHs.
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Re: Crime Busters B

Post by sneepity » September 17th, 2020, 5:15 am

Crimesolver wrote:
September 13th, 2020, 3:24 pm
Here's a website I created to simulate lab for crime busters!- https://crimebusters-simulator.netlify.app/
I absolutely love how simple, yet adorable this is! The illustrations are cute, and it runs very smoothly (esp the fizzing gif). Most importantly, I like the accurate information and details. I say this has a lot of potential, and you can expand on the website! (more categories instead of only powders) Thank you so much for creating it! :)))) I'll definitely use this for practice.
edits: spelling
Last edited by sneepity on September 17th, 2020, 5:16 am, edited 2 times in total.
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Crimesolver (September 17th, 2020, 8:17 am)
8-) school is taking up just 13 hours of my day in front of a screen 8-)
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