Chemistry for Holidays and Seasons
- 4th of July Chemistry (38)
- Christmas Chemistry (39)
- Earth Day (18)
- Halloween Chemistry (65)
- Holiday How-To's
- Mole Day (8)
- New Year's Chemistry (30)
- Snow & Snowflakes (16)
- Summer Chemistry (32)
- Thanksgiving Chemistry (16)
- Valentine's Day Chemistry (21)
Mother's Day Chemistry Projects
What mom wouldn't love a Mother's Day present made by her kid? Some of us just aren't that talented when it comes to arts and crafts, but if you're reading this, then chances are you have some skill with chemistry. Here are some chemistry-related gifts you can make for mom.
Have you ever wanted to make your own fireworks? These are instructions for fireworks projects so you can make your own homemade fireworks.
Valentine's Day Chemistry
Love has a lot to do with chemistry, so if you're looking to connect Valentine's Day with chemistry, you've come to the right place. Take a look at these chemistry projects and topics that relate to Valentine's Day.
Snowflake Photo Gallery
Snowflakes take many forms. This is a photo gallery of snowflakes and ice crystals.
Are you looking for science projects, experiments, and topics that you can tie in with the Easter holiday? Here's a collection of resources for you.
Have you heard about Mole Day? Here's a look at what Mole Day is, when Mole Day is observed, and what you can do to celebrate Mole Day.
Mole Day Activities
Mole Day is a holiday invented as a way to foster interest in chemistry. Do you have any ideas of great ways to celebrate Mole Day? Share them here!
Mad Scientist Party
A mad scientist party is a fun and educational party theme, ideal for birthdays and Halloween. Get ideas for invitations, decorations, costumes, food and drink, cakes, mad scientist experiments and games, as well as party favors for guests to take home.
Best Science Toys
The best toys never go out of style. Telescopes, rock tumblers, creature habitats, and chemistry kits are as educational as ever. The latest versions are safer and more interesting than ever before.
Top Halloween Chemistry Projects
A little chemistry can add a lot of ghastly, ghostly effect to your Halloween celebration. Here's a look at some of the top Halloween projects you can do that apply your command of chemistry.
4th of July Science Projects
Are you seeking fun science projects that you can associate with the 4th of July? Try this collection of science projects that involve fireworks and red, white, and blue.
Are you looking for a way to add some chemistry to the Christmas holiday? Here's a collection of Christmas chemistry projects and a look at topics relating to Christmas and other winter holidays.
Holiday Chemistry Projects
There are a lot of fun and interesting chemistry projects that you can do that relate to the winter holidays. You can simulate snow, design holiday decorations, and make creative gifts. The best part is, these projects use common household materials so you don't need to be a chemist to try them out.
Holiday Science Projects
Are you looking for fun and educational science projects that you can do for the winter holidays? These seasonal activities and experiments will entertain you, plus you may learn something too.
Black Snakes or Glow Worms
You can make black snake or glow worm fireworks yourself, safely and easily.
Chemistry of Autumn Leaf Color
Why do leaf colors change in the fall? What causes the different colors? It's mostly a matter of photochemistry rather than of temperature. Find out more!
Chemistry of Firework Colors
Fireworks combine art and science. This article focuses on the chemistry behind firework colors, including the mechanisms of color production and a table listing colorants. There are links to websites about fireworks - some with instructions for making your own!
Chemistry of Smoke Machines
Have you ever wondered how smoke machines work or wanted to make your own smoke or fog? Here's your chance to find out how it works. There are separate sections for each type of non-toxic smoke generator, together with important safety tips.
Chemistry of Theobromine
The primary methylxanthine in chocolate is theobromine, a molecule similar to caffeine. See the structure of theobromine and read about its chemistry, effects on people and animals, and uses. There are links to chocolate history and chemical research, veterinary advice for theobromine poisoning, and related resources.
Christmas 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.
Christmas Chemistry - Make Peppermint Cream Wafers
Chemistry and cooking share a lot in common! You can have some Christmas chemistry fun in the lab making these peppermint cream wafer candies.
Christmas Tree or Floral Preservative Recipe
Is there a secret special ingredient in those little packets of floral preservative? No! It's easy and economical to make your own Christmas tree or cut flower preservative, using ingredients found at home.
Copper Plating Christmas Ornament
Copper plate a holiday decoration as a Christmas ornament or for other decorative uses.
Cut Flower Preservative Recipes
It's easy and economical to make your own cut flower preservative. Adding floral preservative will help keep your flowers beautiful much longer than if you simply filled a vase with water.
Learn about the insect repellent called DEET. See its chemical structure, find out how it works, get information about the risks of using DEET, and find out how to reduce your need for bug spray.
Does Eating Turkey Make You Sleepy?
Find out why everyone wants to take a nap after Thanksgiving Day turkey dinner. Let's talk turkey and learn about L-tryptophan and carbohydrate metabolism.
Egg in a Bottle Demonstration
Do you have any hard boiled eggs left over from Easter? Here's a fun project you can try. The egg in a bottle demonstration illustrates the concept of air pressure.
Elements in Fireworks
Learn about the functions of the chemical elements in fireworks.
Fake Flesh Recipe
Use common kitchen ingredients to make non-toxic fake flesh or organs for Halloween or theater performances.
Fake Snow Instructions
You can make fake snow using a common polymer. The fake snow is non-toxic, feels cool to the touch, and looks similar to the real thing.
Firecracker How To
Firecrackers are extremely easy and inexpensive to make yourself. Learn how to make homemade firecrackers and how to light them safely.
Firework Periodic Table
Use this special periodic table to find out what elements are found in fireworks and how they are used. Just click on an element to learn more.
Fireworks in a Glass
Fireworks are a beautiful and fun part of many celebrations, but not something you want kids to make themselves. However, even very young explorers can experiment with these safe underwater fireworks.
Fireworks Photo Gallery
Take a look at some fireworks, sparklers, firecrackers and other pyrotechnic devices.
Fitzroy's Storm Glass
This article introduces a type of weather glass that uses characteristics of precipitants and barometric pressure changes to forecast weather. There are instructions for making a storm glass and links for further meteorology, HMS Beagle, Darwin, and Fitzroy information.
Kick the traditional smoke bomb recipe up a notch to make a firework fountain that shoots purple flames with lots of smoke. This is a fun and easy homemade firework project.
Glow-in-the-Dark Crystal Snowflake
Learn how to make a glow-in-the-dark crystal snowflake or other glowing holiday ornament. This is a safe and easy project that's great for kids and kids-at-heart. The crystal decorations are light-weight and inexpensive to make.
Green Fire Halloween Jack-o-Lantern
A Halloween jack-o-lantern filled with green fire is much more impressive than one lit with the usual candle. Here's how to produce this easy effect yourself.
Halloween Jack o Lantern Preservation
Your carved pumpkin or Halloween jack o lantern doesn't have to rot or mold before Halloween! Here is how to preserve a jack o lantern so that it will last for weeks instead of days.
Halloween Reaction or Old Nassau 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.
History of Fireworks
Fireworks are a traditional part of most Independence Day and New Year's celebrations. Learn about the invention of fireworks and the history behind how fireworks are used.
How Do Lightsticks Work?
Find out how lightsticks or glowsticks work. Learn about the chemistry behind the process and get on-line purchase information. This article also explains how to make glow sticks last longer or become brighter!
How Do Sparklers Work?
This type of firework produces a cascade of fiery sparks. Learn about the chemistry behind the sparks or find formulae to make your own!
How Do Sunless Tanning Products Work?
This article discusses bronzers, self-tanning lotions and sprays, tanning accelerators, and pills. Learn how these products work and find out why tans fade.
How Do Trick Birthday Candles Work?
You blow them out, but these candles re-light themselves. Magic? No, it's simple chemistry!
How Fireworks Work
Firecrackers, sparklers, and aerial fireworks are all examples of fireworks. Here's a look at the different types of fireworks and an explanation of how they work.
How To Color Fire
Have you ever wanted to color fire? Here are simple, nontechnical instructions for making your own colored flames. Add extra interest to your fireplace or campfire!
How to Make Snow
If you want snow, but Mother Nature won't cooperate, you can take matters into your own hands and make snow yourself! This is the homemade version of real water ice snow, just like the snow that falls from the sky except without the need for clouds.
Laundry Detergent Glowing Skull
If you have laundry detergent, you can make a glow-in-the dark skull that you can put on your sidewalk or window that will be invisible during the day but will glow at night. Here's how you do it.
Light Stick Colors
This article lists some of the fluorophors that are used to give light sticks different colors. The oxalate chemiluminescent reactions are introduced.
Magic Crystal Christmas Tree
A magic crystal Christmas tree is an easy crystal project you can do for the holidays.
Melting Snow & Ice with Salt
You know salt is sprinkled on roads and sidewalks to melt ice and prevent it from refreezing, but do you know how it works? Learn about freezing point depression and colligative properties and find out about the pros and cons of several de-icers.
Natural Easter Egg Dyes
These are easy instructions for making your own natural Easter egg dyes, using fruits, vegetables, and spices.
Natural Mosquito Repellents
Looking for a natural alternative to synthetic chemical mosquito repellents? Find out which natural substances repel mosquitoes, how to avoid attracting them, and how to maximize the effectiveness of your repellent.
Poinsettia pH Paper
You can make pH indicator from poinsettia flowers, then use the indicator to make your own pH paper test strips.
Poisonous Holiday Plants
Some popular holiday plants can be poisonous or toxic, especially to children and pets. Here's a look at some of the most common poisonous holiday plants and also reassurance about plants many people think are poisonous that really aren't that dangerous.
Re-Use the Turkey Thermometer
You can re-use the pop-up thermometer that comes with a frozen turkey. Here are easy instructions to re-set the thermometer, which you can then you for another turkey or for other types of poultry.
Safe Smoke Bomb Instructions
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.
Silver Crystal Tree
In this simple chemistry demonstration or crystal growing project you'll grow a silver crystal tree.
Smoke Bomb Instructions
You can easily make a smoke bomb using inexpensive materials to produce safe smoke.
Snow Globe Using Benzoic Acid
Snow made from water crystals melts at room temperature, but snow made from benzoic acid crystals will still be decorating your snow globe when the weather warms up. Here's how to make a snow globe by precipitating benzoic acid to make the 'snow'.
Snow Ice Cream Recipes
Here is a collection of several quick and easy recipes for ice cream you can make using snow.
When Is the First Day of Fall?
The first day of fall is the autumnal equinox, which is the date when the day and night are equal in length. While the first day of fall always falls in September, the specific date varies from one year to the next. Here is a look at the date of the first day of fall.
Here are answers to common questions about snowflakes. Learn how snow forms, what shapes snowflakes take, why snow crystals are symmetrical, whether no two snowflakes really are alike, and why snow looks white!
Learn how to make your own sparklers, for Independence Day or New Years Day fun. Use your understanding of chemistry to color the sparks.
Spooky Halloween Jack-o-Lantern
You can make spooky fog come out of your Halloween jack-o-lantern using a little dry ice. Here's how you do it plus a trick for getting the best effect.
St. Patrick's Day Science Projects
Add a wee bit of science to your St. Patrick's Day pranks and celebration with these fun chemistry projects.
Sugar and String Crystal Easter Eggs
Sugar and string Easter egg ornaments are a fun family craft idea, plus you can include a lot of science in this project. You can make smaller hollow string ornaments to hang or put in baskets or you can make a large crystal egg to use as an Easter basket.
Top Science Toys
Chemistry sets, metal detectors, rock tumblers, telescopes, microscopes, rockets, creatures, and more! These are some great educational toys, along with helpful selection tips and price comparisons.
What Is Earth Day?
Find out what Earth Day is all about, when it is, and how it started.
White Face Paint Recipe
Many commercial face paints contain chemicals you don't want, such as heavy metals or allergens. Here is a recipe for a homemade white face paint you can make that uses natural, non-toxic ingredients.
What You Need to Know about Carbon Monoxide Detectors
Carbon monoxide poisoning is the leading cause of accidental poisoning deaths in America. Carbon monoxide detectors are available, but you need to understand how they work and what their limitations are in order to decide whether or not you need a detector and, if you purchase a detector, how to use it to get the best protection.
Why Do Leaves Change Color in the Fall?
Find out why leaves change color in the fall. Learn about the different pigments found in leaves and how bright autumn foliage is produced.
Why Does Ice Float?
Learn about hydrogen bonding and density to understand why ice floats on water.
Learn what Pi Day is and when Pi Day is celebrated.
Pi Day Celebration - How Do You Celebrate Pi Day?
Pi Day is March 14 or 03/14, which corresponds to the number pi. Pi is an important mathematical constant, so it is honored in order to raise interest and awareness of math and science. How do you celebrate Pi Day? Here's your chance to share your plans or get ideas from other readers.
Here's how to make green slime for St. Patrick's Day leprechaun trap.
Are you trying to work the Olympics into a science project or discussion? Here are some science topics and projects relating to the Olympic Games.