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An aid for science teachers and funny math
Thread Created On 8/10/2011 11:22:00 AM

The University of Sydney's physics dept. came up with a mathematically satisfying but, as I'm living proof of, a not so effective diet. While the U of Sydney's physics department is known for their humor and have done several of these 'studies' I think this would be a great lesson in critical thinking and applied science. So, High School science/physics/math teachers have your students figure out why this diet doesn't actually work.


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RE: An aid for science teachers and funny math

Posted 8/10/2011 11:23:00 AM

Beer and Ice Cream Diet

As we all know, it takes 1 calorie to heat 1 gram of water 1 degree centigrade. Translated into meaningful terms, this means that if you eat a very cold dessert (generally consisting of water in large part), the natural processes which raise the consumed dessert to body temperature during the digestive cycle literally sucks the calories out of the only available source, your body fat.

For example, a dessert served and eaten at near 0 degrees C (32.2 deg. F) will in a short time be raised to the normal body temperature of 37 degrees C (98.6 deg. F). For each gram of dessert eaten, that process takes approximately 37 calories as stated above. The average dessert portion is 6 oz, or 168 grams. Therefore, by operation of thermodynamic law, 6,216 calories (1 cal./gm/deg. x 37 deg. x 168 gms) are extracted from body fat as the dessert's temperature is normalized. Allowing for the 1,200 latent calories in the dessert, the net calorie loss is approximately 5,000 calories.

Obviously, the more cold dessert you eat,the better off you are and the faster you will lose weight, if that is your goal. This process works equally well when drinking very cold beer in frosted glasses. Each ounce of beer contains 16 latent calories, but extracts 1,036 calories (6,216 cal. per 6 oz. portion) in the temperature normalizing process. Thus the net calorie loss per ounce of beer is 1,020 calories. It doesn't take a rocket scientist to calculate that 12,240 calories (12 oz. x 1,020 cal./oz.) are extracted from the body in the process of drinking a can of beer.

Frozen desserts, e.g., ice cream, are even more beneficial, since it takes 83 cal./gm to melt them (i.e., raise them to 0 deg. C) and an additional 37 cal./gm to further raise them to body temperature. The results here are really remarkable, and it beats running hands down.

Unfortunately, for those who eat pizza as an excuse to drink beer, pizza (loaded with latent calories and served above body temperature) induces an opposite effect. But, thankfully, as the astute reader should have already reasoned, the obvious solution is to drink a lot of beer with pizza and follow up immediately with large bowls of ice cream.We could all be thin if we were to adhere religiously to a pizza, beer, and ice cream diet.

Happy eating!




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RE: An aid for science teachers and funny math

Posted 8/10/2011 1:39:00 PM

BTW, there are some other great and entertaining things from other studies to demonstrations. Here's a link to the site and if you want to make math science fun and informative while also teaching critical thinking you may find it interesting.

Teaching Resources for Thermal Physics http://www.physics.usyd.edu.au/super/therm/tpteacher/tpteacher.html 





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RE: An aid for science teachers and funny math

Posted 8/10/2011 7:03:00 PM

Here is the only math joke I know.


Q - Did you hear about the constipated mathematician?

A - He worked it out with a pencil.

 





















Something tells me col always has a big pencil with a super smooth grained eraser handy.

:)






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RE: An aid for science teachers and funny math

Posted 8/11/2011 11:19:00 AM

I'm more of a Sharpie guy. However, I see by the number of times you hit "enter" on that post in your excitement you're more of keyboard guy and that's cool, not judging.

Take it, take it, take it all...



Yah PB, feel the burn.



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RE: An aid for science teachers and funny math

Posted 8/16/2011 6:26:00 PM

I'm more of a Sharpie guy. - col



+






Work it out col, work it out.



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RE: An aid for science teachers and funny math

Posted 8/17/2011 10:48:00 AM

Vaseline? Didn't know you rough and ready pirates still plundered your booty with a shivered timber. With all the lubed and ribbed option available these days it's interesting to see an old stool pirate...er...I mean old school pirate.

And a yo ho ho and a bottle of what? The Pirate life ain't for me...



The Pirate's life, "Yarrr and avast it's time to walk me plank cabin boy." 



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RE: An aid for science teachers and funny math

Posted 8/17/2011 2:07:00 PM

When did you take that picture of The Voice?




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RE: An aid for science teachers and funny math

Posted 8/17/2011 2:28:00 PM

Which one is The Voice, the one with the X on his arse or the one with the sword?



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Today's math quiz

Posted 8/24/2011 11:29:00 AM

Three guests check into a hotel room. The clerk says the bill is $30, so each guest pays $10. Later the clerk realizes the bill should only be $25. To rectify this, he gives the bellhop $5 to return to the guests. On the way to the room, the bellhop realizes that he cannot divide the money equally. As the guests didn't know the total of the revised bill, the bellhop decides to just give each guest $1 and keep $2 for himself.

Now that each of the guests has been given $1 back, each has paid $9, bringing the total paid to $27. The bellhop has $2. If the guests originally handed over $30, what happened to the remaining $1?




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RE: Today's math quiz

Posted 8/24/2011 3:30:00 PM

Should I be a spoiler? ....it's based on a bad calculation of how much each paid... answer below....


























25 + 3 isn't 27..... and 28 isn't divisible by 3....  So each actually paid $9.33333 and each tipped the bell boy $0.66667. 




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RE: Today's math quiz

Posted 8/24/2011 7:20:00 PM

Dang it CP you're not suppose point out the obvious.


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RE: Today's math quiz

Posted 8/25/2011 7:47:00 AM

Obvious? Geeze, glad I didn't have to show my work...




And be honest bone, your kid brought the problem home and it had you stumped didn't it...



Bone showing his work...




But that's OK, math sucks.... there way too many numbers.... there's like a thousand of them or something...



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RE: Today's math quiz

Posted 8/25/2011 8:31:00 AM

There was no prouder day for Col-Pul then the day he learned to count to potato.



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RE: Today's math quiz

Posted 8/25/2011 9:14:00 AM

I know funny and now that's funny.



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