Articles

    Water Balloon Ice Gems

    Kids, this is an easy way to make some decorations for your house if you live in a cold climate. You'll need water, balloons, food coloring, and outside temperatures below 25°F for at least two days. Please note: All chemicals and experiments can entail an element of risk, and no experiments ...

    Read More

    Homemade Essential Oil Air Fresheners

    Kids, have you heard that necessity is the mother of invention? For those of you with asthma who can use some help in the room-deodorizing department, there is hope. The answer is homemade, all-natural, essential oil powered, gel based air fresheners. They smell great. They last a good long time....

    Read More

    Crystal Snowflake Ornaments

    Kids, learn how to cover a paper snowflake with crystals to make a glittering crystal snowflake decoration! You will crystallize borax onto homemade paper snowflakes, in any size you like. You will need: round paper coffee filters, borax, water, scissors, and food coloring (optional). Please not...

    Read More

    Rainbow in a Glass

    Kids, can you imagine drinking a rainbow? In this example of the principle of density, you can! All that you’ll need is four glasses of the same size, sugar, water, and food coloring. Please note: All chemicals and experiments can entail an element of risk, and no experiments should be perf...

    Read More

    The Chemical Bulletin - January 2012 to December 2012

    2012 December 2012 November 2012 October 2012 September 2012 June 2012 May 2012 April 2012 March 2012 February 2012 January

    Read More

    Burning Your Candle from Both Ends

    Kids, the “seesaw” candle is a fire science trick that teaches how combustion and Newton's Third Law of Motion work. A candle, balanced between a pair of glasses, seesaws up and down on its own as it burns. The most important thing you’ll need to try this trick is an adult partner....

    Read More

    Newspaper Nails

    Kids, how did your friend get that newspaper text on her fingernails? Here you will learn how to do it and why it works. This activity gives new meaning to having the latest information at your fingertips! You will need: pieces of newspaper, top and base coat nail polish, grey/nude/white/light pink ...

    Read More

    Rochelle Salt – Part II

    Kids, you can make a large single crystal of Rochelle salt and with that make your own piezocrystal-based circuit. You made your own Rochelle salt granules in the July 2012 ChemShorts edition. Piezoelectric crystals make very accurate and stable electronic vibrations. Clocks, radios and computers ...

    Read More

    Rochelle Salt – Part I

    Kids, did you ever hear of a crystal radio kit? More on that in Part II of this activity, but here we will make an essential ingredient. Rochelle salt can be used to grow very large single crystals that exhibit piezoelectricity. This property means the creation of electricity resulting from press...

    Read More

    Wax Volcano in a Cup

    Kids, a baking soda and vinegar volcano is fun but there are better models for how a volcano actually works. In this activity, wax "lava" forms a volcano in sand, eventually erupting into the atmosphere, which is water in this model. A real volcano forms and erupts because molten rock (magma) and h...

    Read More