Holiday Chemistry Demonstrations
Halloween Chemistry Demonstrations
Try a Halloween chemistry demo. Make a pumpkin carve itself, turn water into blood, or perform an oscillating clock reaction that switches between the Halloween colors of orange and black.
4th of July - Black Snakes
You can make black snake or glow worm fireworks yourself, safely and easily.
4th of July - Patriotic Density Column
This is a fun chemistry-type decoration for July 4th or any time you want a colorful demonstration of density layers. Use different colored lamp oils and food colors for other holidays.
4th of July - Safe Smoke Bomb
A classic smoke bomb is easy to make and safe to use, but you can make the project even safer if you don't heat the ingredients. Here's what you do.
4th of July - Smoke Bomb Instructions
You can easily make a smoke bomb using inexpensive materials to produce safe smoke.
4th of July - Pharaoh's Snake Firework
Pharaoh's snake or Pharaoh's serpent is a small firework that produces a growing snake of ash when it is ignited. Here's how you can make Pharaoh's snake yourself for a firework or a chemistry pyrotechnic demonstration.
Christmas - Copper Plated Ornament
Copper plate a holiday decoration as a Christmas ornament or for other decorative uses.
Christmas - Red/Green Chemistry Demonstration
Color change reactions are classic fare for chemistry demonstrations. You can perform a Christmas chemistry demonstration in which the color of a solution changes from green to red and back to green. The Christmas color change can be repeated over and over again.
Easter - Egg in a Bottle Demonstration
You don't see air and might not think much of it is contained in a bottle, but air and the pressure it exerts can be very powerful. The egg in a bottle demonstration illustrates the concept of air pressure.
Easter or Halloween - Water into Wine or Blood
Turn a clear liquid into a red liquid, then back to clear again. This demonstration is commonly called turning water into wine or blood, and can be used to demonstrate acid-base indicators.
Halloween - Orange/Black Reaction
The Old Nassau or Halloween reaction is a clock reaction in which the color of a chemical solution changes from orange to black. Here's how you can do this reaction as a chemistry demonstration.
Natural Easter Egg Dyes
These are easy instructions for making your own natural Easter egg dyes, using fruits, vegetables, and spices.
St. Pat's - Gold and Silver Pennies
Take copper pennies and turn then silver, then make them gold. This is an easy chemistry project that uses common laboratory chemicals.
St. Pat's Day - Fried Green Egg
Red cabbage juice contains a natural pH indicator that changes color from purple to green under basic (alkaline) conditions. You can use this reaction to make a fried green egg.
St. Pat's or Halloween - Green Fire Instructions
It's easy to make brilliant green fire. This cool chemistry project only takes two household chemicals.
Valentine's Day - Colored Flowers
It's easy to make your own colored flowers, especially carnations and daisies, but there are a couple of tricks that help ensure great results. Here's how you do it.
Winter - Borax Snowflake Instructions
Do real snowflakes melt too quickly? Grow a borax snowflake, color it blue if you like, and enjoy the sparkle all year long!
Winter - Poinsettia pH Paper
You can make pH indicator from poinsettia flowers, then use the indicator to make your own pH paper test strips.
Winter - Snow Ice Cream Recipes
Here is a collection of several quick and easy recipes for ice cream you can make using snow.
Valentine's Day - Hot and Cold Color Change
This is a fun color change chemistry demonstration, just right for Valentine's Day. Take a pink solution and watch it turn colorless upon heating. When the solution cools it becomes pink again.
Vanishing Valentine Chemistry Demonstration
The Vanishing Valentine chemistry demonstration is a color change demonstration in which a solution turns from clear to pink and back to clear. It can be used for Valentine's Day or to illustrate oxidation and reduction reactions any time of the year.
Olympic Ring Colors Chemistry Demonstration
Produce the colors of the Olympic rings in this easy chemistry color change demonstration.
Christmas Tree Elephant Toothpaste Chemistry Demonstration
Did you know you can do the elephant toothpaste demonstration to make a Christmas tree holiday chemistry demonstration? It's extremely easy, plus it makes an excellent demo to do before the holiday break!