Mole Day: October 23

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Chemistry's Greatest Holiday

October 23 is Mole Day! It is the day we celebrate the mole. No, not mole the animal, and not mole the congenital growth; not mole the sauce, or even mole the spy. Mole Day celebrates the mole that is a SI unit measuring the quantity of a substance. And, scientists, who are known for letting loose and partying, have a great time on Mole Day.

Mole Day Photos 

Happy Mole Day by MReece

Happy Mole Day by jbelluch

Happy Mole Day! by gravityx9 (working on calendar)

The Marching Moles 3 by Ami 8

mole day by acheu2

Mole Day Theme (1) by allafinestra

Mole Day Theme (2) by allafinestra

"Moleasses" Mole for Mole Day by cl.siev

Troll Mole - Bad hair day by gravityx9 (working on calendar)

Mole Comes out for Viking Day! by gravityx9 (working on calendar)

Manhole Mole by gravityx9 (working on calendar)

Big Old Mole by Perla*

Mole Love by musicnpics

So, What Is Mole Day? 

Explaination of Chemistry's Most Cherished Holiday

Mole Day is an unofficial holiday celebrated scientists, specifically chemists on October 23, between 6:02am and 6:02pm.

The holiday day celebrates the mole, a scientific unit measuring the quantity of a substance which is used in chemistry. The term mole is likely derived from the german word Molekül meaning molecule. The first usage in English dates from 1897, in a work translated from German.Some sources place the date of first usage in English as 1902.

The date and time of Mole Day is a direct result of Avogadro's constant which defines the number of particles (atoms or molecules) in a mole. Avogadro's constant is 6.02 × 10^23.

Mole Day is widely celebrated, predominatly in educational institutions, and is quite a tradition in High Schools in the United States and Canada. One of the great traditions of Mole Day is the pun, and the dorkier the better. It is science after all, we embrace dorky.

Happy Mole Day To You 

"Happy Mole Day to You" Chemistry Song

Mole Day is a day to celebrate chemistry and the unit "mole". Chemistry students need help learning the mole. This chemistry song about the mole unit and Mole Day was used to create this video. Its purpose is to make it easier to remember and understand the definitions of the mole in an entertaining way. Mole Day is celebrated @ 6:02AM on Oct 23rd and if your school uses a 4X4 block schedule, then you can also celebrate it on June 2nd @ 10:23AM.

Runtime: 2:16
84889 views
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For a Good Time, Call 602-1023 

Mole Day Links 

National Mole Day Foundation, INC.
National Mole Day Foundation, Inc.
Mole Day
FCS Science Fayetteville Christian School
Mole Day Jokes
Q: Why is it bad to tell mole jokes?
A: It's mole-itically incorrect

Celebrating Mole Day 

Mole Day turn out by Tool Shed

MOLE DAY! by libbylou152

Mole song by computercameraman

MOLE (YMCA) by computercameraman

Mole Day by angela et cetera

Mole Day 009 by flashmcnasty

Mole song by computercameraman

Mole Golfing by computercameraman

Mole Day Recipes 

Mole Day Foods

Bringing a snack to the party? Then you need a festive food. These are a few ideas for what to bring:
Anything with carmel
aka Caramol
Lemonade
aka Lemolade
Molasses Cookies
or anything else with Molasses
Pie-a-la-mode
aka Pie-a-la-mole.
Try any pie recipe you like, or give this Chemical Pie recipe a whirl.
Mole Sauce
This is a traditional Mexican sause - pronounced mol-lay.
Guacamole
plus it's made with avocado (Avogadro)!
Anything with Avocado
(play on Avogadro)
Dirt Cake
Accessorize with a mole - perhaps print one and attach to a popsickle stick that you stick in. You could even make individual dirt cupcakes and add the mole with a toothpick.
A Jello Mold
aka Jello Mole
Mulberry Pie or Mulberry Muffins
aka Molberry

 

Molasses cookies for Mole Day by DefinitelyRA

Molasses Cookies

Mole Day Cake by ferretz37

Mole Day Cake

"Moleasses" Mole for Mole Day by cl.siev

Moleasses

mole sauce by pandacookie0101

Mole Sauce

Lemonade by Nostromoo

Lemolade.

cherrypie by Il Primo Uomo

Pie a la Mole

Alice the Mole 

Grannimals Alice the Mole - 16"

Amazon Price: $26.49 (as of 07/05/2009)Buy Now

Alice the Mole will help your classroom celebrate Mole Day with style!

About the Mole 

The mole (symbol: mol) is a unit of amount of substance: it is an SI base unit, and one of the few units used to measure this physical quantity. The name "mole" was coined in German (as Mol) by Wilhelm Ostwald in 1893, although the related concept of equivalent mass had been in use at least a century earlier. The name is assumed to be derived from the word Molekül (molecule). The first usage in English dates from 1897, in a work translated from German.Some sources place the date of first usage in English as 1902. Merriam?Webster proposes an etymology from Molekulärgewicht (molecular weight). The names gram-atom and gram-molecule have also been used in the same sense as "mole", but these names are now obsolete.

The mole is defined as the amount of substance of a system that contains as many "elemental entities" (e.g., atoms, molecules, ions, electrons) as there are atoms in 12 g of carbon-12. Hence:

* one mole of iron contains the same number of atoms as one mole of gold;

* one mole of benzene contains the same number of molecules as one mole of water;

* the number of atoms in one mole of iron is equal to the number of molecules in one mole of water.

It is a common misconception that the mole is defined in terms of the Avogadro constant (also known as "Avogadro's number"). It is not necessary to know the number of atoms or molecules that are present in order to use the mole as a unit of measurement, and indeed the first measurements of amount of substance predate modern atomic theory and any measurements of atomic weight.The first recorded measurements of amount of substance (in the modern sense of the term) are by Carl Friedrich Wenzel, published in 1777. The current definition of the mole was approved during the 1960s: Prior to that, there had been definitions based on the atomic weight of hydrogen, the atomic weight of oxygen, and the relative atomic mass of oxygen-16: the four different definitions are equivalent to within 1%.

The most common method of measuring an amount of substance is to measure its mass and then to divide by the molar mass of the substance.International Bureau of Weights and Measures. "Realising the mole." Retrieved 25 September 2008. Molar masses may be easily calculated from tabulated values of atomic weights and the molar mass constant (which has a convenient defined value of 1 g/mol). Other methods include the use of the molar volume or the measurement of electric charge.

Mole Day Sewing & Knitting 

Sew a Mole Pattern
Free pattern and directions to make a stuffed mole.
Free Mole Pattern & Instructions
Sew your own mole with these great instructions. The corresponding pattern is found here.
Knit a Mole
Wye Sue Knits: Mr Mole and his Hill
Knit a Star Nose Mole
Knit Cris (aka Condyluria cristata)
Purchase a Kit to Make Your Own Stuffed Mole
Minicraft Toy Kit: Mole

Mole Characters 

Add Your Idea for a Mole Character

Think of a great mole character? Join into the pun. Vote for your favorite.

Holy Moly (priest, nun, rabbi, ...)

2 points

Moley Cyrus / Hanna Moletana (Miley Cyrus / Hanna Montana)

1 point

Napolean Dynamole (Napolean Dynamite)

1 point

Marilyn Moleroe (Marilyn Monroe)

plus she has a mole!1 point

Moledemort (Voldemort)

0 points

The Mole-sen Twins (the Olsen Twins)

0 points

Mole-bama (Obama)

0 points

Cheech Mole-in (Cheech Marin)

0 points

Drew Barrymole (Drew Barrymore)

0 points

Em-mole-em (Eminem)

0 points

Moledonna (Madonna)

0 points

Angelina Molie (Angelina Jolie)

0 points

Beyonce Moles (Beyonce Knowles)

0 points

Molan (Mulan)

0 points

Molar Express

2009 Mole Day Theme

What is An SI Unit? 

An SI unit is one of the seven units that are part of the International System of Units. TheInternational System of Units are a modern metric system based on the number 10 because of its mathematical convenience. The SI units are comprised of these 7 basic units, and the units formed by adding a prefix to them:

Name

Symbol

Quantity


metre

m

length


kilogram

kg

mass


second

s

time


ampere

A

electric current


kelvin

K

thermodynamic temperature


mole

mol

amount of substance


candela

cd

luminous intensity




Prefixes to Increase the Unit

Name

deca-

hecto-

kilo-

mega-

giga-

tera-

peta-

exa-

zetta-

yotta-


Symbol

da

h

k

M

G

T

P

E

Z

Y


Factor

10^1

10^2

10^3

10^6

10^9

10^12

10^15

10^18

10^21

10^24




Prefixes to Reduce the Unit

Name

deci-

centi-

milli-

micro-

nano-

pico-

femto-

atto-

zepto-

yocto-


Symbol

d

c

m

μ

n

p

f

a

z

y


Factor

10^-1

10^-2

10^-3

10^-6

10^-9

10^-12

10^-15

10^-18

10^-21

10^-24



Mole Day Songs 


I WANT IT MOL WAY

Runtime: 3:36
1188 views
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"Joel the Mole" Mole Day Song

Runtime: 2:33
3314 views
7 Comments:


Same Mole Music Video (Turn the volume up!) by amybiancalara

Runtime: 4:38
155 views
1 Comments:


the mole song

Runtime: 3:03
1862 views
3 Comments:


Will's Mol Day Song

Runtime: 2:57
825 views
10 Comments:


Mole Day Song

Runtime: 3:26
2928 views
3 Comments:

Mole Clipart & Printables 

Mole Clipart
Dozens of Mole Graphics
Printable Mole Mask
Just print and cut out.

Pledge of Allegiance 

When saying the pledge of allegiance to the U.S. flag, one faces the flag. If no flag is present, one should face our nation's capitol, Washington D.C. When saying the pledge to the mole, a real mole is usually not present. So, one should bend over and face the earth!

I pledge allegiance to the mole, and to the science from which it comes, one SI unit, extremely divisible, with micromoles and millimoles for all.
(By: R. Thomas Myers - Kent State University, Kent, OH)


I pledge allegiance to the mole, to the International Union of Pure and Applied Chemistry, and to the atomic mass for which it stands, one number, most divisible, with atoms and molecules for all.
(By: Sylvia Cooper - Morgantown High School, Morgantown, WV)

Avogadro's Law 

aka: Avogadro's theory, Avogadro's hypothesis

Avogadro's Law is a principle stated in 1811 by the Italian chemist Amedeo Avogadro (1776-1856). (That's the handsome Avogadro to the right.)
"equal volumes of gases at the same temperature and pressure contain the same number of molecules regardless of their chemical nature and physical properties".

This number (Avogadro's number) is 6.023 X 1023.
It is the number of molecules of any gas present in a volume of 22.41 L and is the same for the lightest gas (hydrogen) as for a heavy gas such as carbon dioxide or bromine.

Avogadro's number (conventionally represented by N' in chemical calculations) is now considered to be the number of atoms present in 12 grams of the carbon-12 isotope (one mole of carbon 12) and can be applied to any type of chemical entity.

Why is the mole significant? What can we do with it?

Ideas for Creative Mole Day Projects 

Be bold and creative with your project

  • Create a Mole Day board game: Mole-opoly, a Chemisty Land (Candy Land), etc.
  • Write an original Mole Day song
  • Make a chemistry mole-bile to hang from the ceiling
  • Scavenger Hunt - Create a list of household items using the chemical compound. Such as: Something that contains NaHCO3
  • Write a Mole Day poem - Ode to the Mole
  • Create a Mole Day comic book
  • Design a Mole Day flag - hold a flag raising at the school's flagpole.
  • Create a fake newspaper with all articles chemistry or mole related. Include some made up articles, ads, obituaries, movie reviews, etc

Send A Mole Day Greeting Card 

Mole Day Greeting Cards, Mole Day Ecards, Mole Day Cards From 123Greetings.com
Hey, it's Mole Day ! A day to celebrate Chemistry and remember the creator of the mole concept, Amedeo Avogadro. It's just another fun reason to share a smile with those you share a special 'chemistry' with.

I Heart Moles 

Teddy Bear

Price: 14.99 Buy Now

Women's Raglan Hoodie

Price: 28.99 Buy Now

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Mole Day Video Project Ideas 

Make a video as your Mole Day Project

  • Mole Day Spoof - spoof a movie or TV show. For instance, Mole Day the movie, as spoof of Groundhog Day.
  • Mole Day Man on the Street - acting like a reporter, as random people Mole Day questions.
  • Mole Day Daily Show Corespondent - do a news report in the style of Comedy Central's The Daily Show (keep it clean)
  • Mole Day Game Show - Wheel of Fortune, Price is Right, Are You Smarter Than a 9th Grade Chemistry Student?
  • Mole Day Reality Show - spoof a reality show (maybe the Mole?) by having scientific characters - Salt, Oxygen, Water, Noble Gas, etc. The challenges could be exposure to heat, electricity, water, acids, etc.
  • Mole Day Youtube Style - do a parody of a famous youtube video like One World, Human Space Invaders, OK, Here It Goes Again

Mole Day Raps 


Mole Day Rap

Runtime: 2:35
3115 views
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Rap Mole Song

Runtime: 0:41
2533 views
6 Comments:


Dem Moles - A Chemistry Rap

Runtime: 5:43
11422 views
10 Comments:

About the Avogadro Constant 

The Avogadro constant (symbols: L, NA) is the number of "elementary entities" (usually atoms or molecules) in one mole, that is (from the definition of the mole), the number of atoms in exactly 12 grams of carbon-12.. It was originally called 'Avogadros number'. The 2006 CODATA recommended value is:

:N_A=6.022\ 141\ 79(30)\times 10^{23}\ \mbox{mol}^{-1}

The Avogadro constant is named after the early nineteenth century Italian scientist Amedeo Avogadro, who, in 1811, first proposed that the volume of a gas (at a given pressure and temperature) is proportional to the number of atoms or molecules regardless of the nature of the gas. English translation. The French physicist Jean Perrin in 1909 proposed naming the constant in honour of Avogadro. Extract in English, translation by Frederick Soddy. Perrin would win the 1926 Nobel Prize in Physics, in a large part for his work in determining the Avogadro constant by several different methods.Oseen, C.W. (December 10, 1926). Presentation Speech for the 1926 Nobel Prize in Physics.

The value of the Avogadro constant was first indicated by Johann Josef Loschmidt who, in 1865, estimated the average diameter of the molecules in air by a method that is equivalent to calculating the number of particles in a given volume of gas. English translation. This latter value, the number density of particles in an ideal gas, is now called the Loschmidt constant in his honour, and is approximately proportional to the Avogadro constant. The connection with Loschmidt is the root of the symbol L'' sometimes used for the Avogadro constant, and German language literature may refer to both constants by the same name, distinguished only by the units of measurement.

You Might Also Be Interested in Math's Most Cherished Holiday 

Pi Day!

Guestbook 

Evelyn_Saenz wrote...

Thank you for joining the Unit Studies: Fun, Creative Hands-On Leaning Group.

Also lensrolled to The Fun and Games of.Pre-Algebra.

ReplyPosted March 31, 2009

tandemonimom wrote...

Holey Moley! (Sorry, couldn't resist.) Welcome to the Happy Holiday Humor group!

ReplyPosted March 28, 2009

Joan4 wrote...

Happy Mole Day! lol I certainly feel my education has been broadened! Fun lens!

ReplyPosted October 23, 2008

Spook wrote...

Chemistry was never one of my forte's, so will just say, "Anyone for Cricket!" Great lens.

ReplyPosted October 23, 2008

spirituality wrote...

I had never heard of this day, and I'm educated to be a chemistry teacher. S0unds like fun though :) as the review on the giant squido community showcase blog shows: perhaps you should explain what an SI unit is?

ReplyPosted October 23, 2008

rms wrote...

Happy Mole Day to you! This great lens is today's feature at www.giantsquidshowcase.com.

ReplyPosted October 23, 2008

ElizabethJeanAllen wrote...

When I taught Chemistry, we always celibrated MOLE day. Nowdays... I don't think the younger teachers have ever even heard of it.
Great tribute
Lizzy

ReplyPosted October 16, 2008