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Re: Crime Busters B

Posted: January 16th, 2019, 12:42 pm
by CPScienceDude
jimmy-bond wrote:
amk578 wrote:At this one competition, they gave vinegar as an additional reagent to HCl and iodine, what is the purpose of vinegar in IDing unknowns?
The only thing I can think of is with baking soda
Yeah, I'm not sure either except for the baking soda.

Re: Crime Busters B

Posted: January 19th, 2019, 11:57 pm
by qk11
How many beakers, erlenmeyer flasks, graduated cylinders, and test tubes should a team bring for Crimebusters?

Re: Crime Busters B

Posted: January 20th, 2019, 5:09 am
by CPScienceDude
qk11 wrote:How many beakers, erlenmeyer flasks, graduated cylinders, and test tubes should a team bring for Crimebusters?
I bring 1 set of test tubes, some Petri dishes, a spot plate, and 4 beakers of different sizes.

Re: Crime Busters B

Posted: February 3rd, 2019, 10:22 am
by Rivkaaa
CPScienceDude wrote:
qk11 wrote:How many beakers, erlenmeyer flasks, graduated cylinders, and test tubes should a team bring for Crimebusters?
I bring 1 set of test tubes, some Petri dishes, a spot plate, and 4 beakers of different sizes.
We also bring 1 set of test tubes and about 2 or 3 petri dishes (although they haven't come in handy just yet). However, we bring about 10 spot plates, give or take a few. This saves time!! You do not have to spend time cleaning your spot plates out and drying them, when you can just take a new one and wash them towards the end!! This saves so much time, as CB is a very fast-paced event! As for the flasks and beakers, we bring two flasks (our box is for both PP and CB) and 6 beakers (1 600 mL, 1 400 mL, 2 250 mL, and 2 100 mL). We pack them together, putting paper towels in between them to avoid breakages, while also getting our paper towels in our box!

Re: Crime Busters B

Posted: February 3rd, 2019, 10:26 am
by CPScienceDude
Rivkaaa wrote:
CPScienceDude wrote:
qk11 wrote:How many beakers, erlenmeyer flasks, graduated cylinders, and test tubes should a team bring for Crimebusters?
I bring 1 set of test tubes, some Petri dishes, a spot plate, and 4 beakers of different sizes.
We also bring 1 set of test tubes and about 2 or 3 petri dishes (although they haven't come in handy just yet). However, we bring about 10 spot plates, give or take a few. This saves time!! You do not have to spend time cleaning your spot plates out and drying them, when you can just take a new one and wash them towards the end!! This saves so much time, as CB is a very fast-paced event!
I also bring a magnifying glass to help differentiate between salt and sugar.

Re: Crime Busters B

Posted: February 5th, 2019, 4:26 am
by NordoniaMS
Good morning.

I have a question about Candles. Are candles and matches supposed to be in our box for Crime?

Re: Crime Busters B

Posted: February 5th, 2019, 8:20 am
by CPScienceDude
NordoniaMS wrote:Good morning.

I have a question about Candles. Are candles and matches supposed to be in our box for Crime?
Nope! The ES should give us those.

Re: Crime Busters B

Posted: February 5th, 2019, 9:15 am
by Rivkaaa
CPScienceDude wrote:
Rivkaaa wrote:
CPScienceDude wrote:
I bring 1 set of test tubes, some Petri dishes, a spot plate, and 4 beakers of different sizes.
We also bring 1 set of test tubes and about 2 or 3 petri dishes (although they haven't come in handy just yet). However, we bring about 10 spot plates, give or take a few. This saves time!! You do not have to spend time cleaning your spot plates out and drying them, when you can just take a new one and wash them towards the end!! This saves so much time, as CB is a very fast-paced event!
I also bring a magnifying glass to help differentiate between salt and sugar.
Yeah, we bring a hand lens too! It has been helpful for differentiating between salt and sugar, although we don't always need it! It's definitely a huge help at invys and regionals!

Re: Crime Busters B

Posted: February 6th, 2019, 7:10 am
by starfruit
Rivkaaa wrote:
CPScienceDude wrote:
Rivkaaa wrote:
We also bring 1 set of test tubes and about 2 or 3 petri dishes (although they haven't come in handy just yet). However, we bring about 10 spot plates, give or take a few. This saves time!! You do not have to spend time cleaning your spot plates out and drying them, when you can just take a new one and wash them towards the end!! This saves so much time, as CB is a very fast-paced event!
I also bring a magnifying glass to help differentiate between salt and sugar.
Yeah, we bring a hand lens too! It has been helpful for differentiating between salt and sugar, although we don't always need it! It's definitely a huge help at invys and regionals!
I'd also bring several stirring utensils/a bunch of pipettes

Re: Crime Busters B

Posted: February 8th, 2019, 12:35 pm
by CPScienceDude
starfruit wrote:
Rivkaaa wrote:
CPScienceDude wrote: I also bring a magnifying glass to help differentiate between salt and sugar.
Yeah, we bring a hand lens too! It has been helpful for differentiating between salt and sugar, although we don't always need it! It's definitely a huge help at invys and regionals!
I'd also bring several stirring utensils a bunch of pipettes
Spoons too! Make sure you have something to get the unknowns onto your spotplate