Valentine's Day Chemistry

Romance is all about chemistry, right? Valentine's Day is February 14th, so you've still got time to find a great gift for your sweetie and impress him or her with your holiday knowledge. Here's some Valentine's Day chemistry content to help you out: Vanishing Valentine Demo - Make a chemical solution go from blue to pink to clear. Hot and Cold Valentine - A chemical solution goes from colorless to hot pink! Crystal Heart - Grow a crystal heart as a decoration or gift. Gallium Beating Heart - It's like the mercury beating heart chemistry demo, except it's not toxic! How Mood Rings Work - Can a mood ring tell if you're feeling passion? Gifts Science Geeks Can Make - Hint: fizzy baths bombs tend to be a better gift for this particular holiday than glow-in-the-dark slime. Of course, colored fire is good for every holiday... Is There really a 'Chemistry of Love'? - If you don't know the answer, then this FAQ is for you. Make Colored Flowers - Flowers are a traditional Valentine's Day gift. You can color your flowers for your Valentine yourself. Make a Floral Preservative - Keep your Valentine's Day flowers beautiful longer. Actually, there are many easy recipes for making cut flower preservative. Paper Chromatography with Flower Petals - Unless you're giving silk flowers, they won't last forever, even if you use a floral preservative. If your Valentine is into chemistry, then include instructions for how to separate out plant pigments with your roses in addition to a sweet card. Make Perfume - Perfume is a romantic gift. If you apply your command of chemistry, you can make a signature scent, which is a personal and meaningful gift. Jacobson's Organ & the Sixth Sense - Do humans respond to pheromones? Chemistry of Diamond - Learn about the properties of this popular gift choice. Grow a Silver Crystal - Are you up for a challenge? A silver crystal dangling from a silver chain is a thing of beauty. It takes some time and skill to grow a large crystal, so if this is something that interests you, start growing your crystal early. Jewelry Chemistry - Learn about crystals, gems, and precious metals. Theobromine Chemistry - Chocolate is the 'food of the gods' (and well-liked by Valentine goddesses, too). if(zs>0){if(zSbL250)gEI("spacer").style.height=Math.floor(e[0].height/12)+17.5+'em';else{var zIClns=[];function walkup(e){if(e.className!='entry'){if(e.nodeName=='A'||e.style.styleFloat=='right'||e.style.cssFloat=='right'||e.align=='right'||e.align=='left'||e.className=='alignright'||e.className=='alignleft')zIClns.push(e);walkup(e.parentNode)}}walkup(e[0]);if(zIClns.length){node=zIClns[zIClns.length-1];var clone=node.cloneNode(true);node.parentNode.removeChild(node);getElementsByClassName("entry",gEI("articlebody"))[0].insertBefore(clone,gEI("spacer"))}}}};zSB(2);zSbL=0

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