Some elemental facts of Santa contest

Santa loves his elements. Fill in the blanks with elements from the periodic table.

Santa sets out on Christmas Eve to deliver candy, treats and toys to all of the well-behaved children in the world, and sometimes coal, primarily composed of ___  ___  ___  ___  ___  ___ to the naughty children.

The North Pole is always cold with the ___  ___  ___  ___  ___  ___  ___ in the thermometer always below 0 ºC. One of the best things about living so far north is the Northern Lights. The common pale yellowish-green is produced by ___  ___  ___  ___  ___  ___ molecules located about 100 kilometres above the earth.

When Santa first started delivering the toys on Christmas Eve, his sleigh had wooden skis. In the early days, the elves spent many hours waxing the skis with paraffin, which has the elements ___  ___  ___  ___  ___  ___ and ___  ___  ___  ___  ___  ___  ___  ___ . In the 1970s Santa upgraded his sleigh and the skis are now made of layered fibreglass also known as silica, which is composed of  ___  ___  ___  ___  ___  ___  ___ and ___  ___  ___  ___  ___  ___ .

The sleigh itself is now high-tech and is made of
___  ___  ___  ___ ___  ___  ___  ___ , which also is used for the frame in many rockets because it is strong and lightweight. For decoration, the sleigh is trimmed with ___  ___  ___  ___ , a precious metal from prehistoric times. The bells on the sleigh are ___  ___  ___  ___  ___  ___ , which correspond to a Christmas carol. Gemstones also adorn the sleigh, such as rubies — crystals of alumina 
( ___  ___  ___  ___  ___  ___  ___  ___  oxide) with trace amounts of ___  ___  ___  ___  ___  ___  ___  ___ .

We all know that Santa relies on Rudolph’s nose to guide his sleigh but the sleigh does have headlights. Initially Santa tried headlamps with acetylene, a gas made of ___  ___  ___  ___  ___  ___ and
___  ___  ___  ___  ___  ___  ___  ___ . There were a few close calls and not just one reindeer had its tail singed. Next he tried a halogen lamp with a quartz-halogen bulb. These had a
___  ___  ___  ___  ___  ___  ___  ___ filament with a small quantity of

___  ___  ___  ___  ___  ___ gas, having an atomic number of 53. Now Santa has the latest in light bulbs, containing the noble gas
___  ___  ___  ___  ___ without a filament. These lights emit clean and white light.

Santa’s boots are Wellington boots made from natural rubber, polymers of the organic compound isoprene, composed of 
___  ___  ___  ___  ___  ___ and
___  ___  ___  ___  ___  ___  ___   ___.

His belt buckle is made of brass, which is an alloy of
___  ___  ___  ___  ___  ___ and ___  ___  ___  ___. In the past few years, Santa has had to decrease his ___  ___  ___  ___  ___  ___ intake because of the risk for heart problems. Thankfully Santa has strong bones thanks to all the ___  ___  ___  ___  ___  ___  ___ in the milk he drinks.                                                               

Win this lab coat Santa is known for repeating his laugh which sounds like the symbol of ___  ___  ___  ___  ___  ___  ___

repeated three times. And of course, Santa loves word-play with the elements. In elemental symbols, he can spell out:

  • his last name     ____  ____  ____  ____    

        ____  ____  ____  (Can you find the two different ways to do this?)

  • his first name when he goes by Mr. Kringle ____  ____  ____ 
  • and his name when he is known as a
    Saint ____  ____  ____  ____  ____  ____   

PRINTABLE CLASSROOM VERSION elements_of_santa_puzzle.pdf

This puzzle was in our December 2014/January 2015 issue (page 12-13). Each monthly issue of Chem 13 News has a student contest to win a fun science prize. Enter your students’ correct solutions into a draw on or before February 1, 2015. The prize, a Tie-Dyed Lab Coat, has been donated by Educational Innovations. Get your students to help you win this prize. With your tie-dyed lab coat your students will easily spot you when they are doing a lab. Go to www.teachersource.com to learn more about this prize. Send your students’ solutions to Chem 13 News, Some elemental facts of Santa contest, Department of Chemistry, University of Waterloo, Waterloo ON  N2L 3G1, Canada; Fax: (519)888-9168; or email: kjackson@uwaterloo.ca. ∎