Chemistry for Holidays and Seasons
- 4th of July Chemistry (35)
- Christmas Chemistry (39)
- Earth Day (18)
- Halloween Chemistry (62)
- Holiday How-To's
- Mole Day (8)
- New Year's Chemistry (30)
- Snow & Snowflakes (14)
- Summer Chemistry (32)
- Thanksgiving Chemistry (17)
- Valentine's Day Chemistry (20)
Snowflake Photo Gallery
Snowflakes take many forms. This is a photo gallery of snowflakes and ice crystals.
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.
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.
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.
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!
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!
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.
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.
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.
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.
Black Snakes or Glow Worms
You can make black snake or glow worm fireworks yourself, safely and easily.
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.
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 Photo Gallery
Take a look at some fireworks, sparklers, firecrackers and other pyrotechnic devices.
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!
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.
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.
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.
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.
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.
Natural Easter Egg Dyes
These are easy instructions for making your own natural Easter egg dyes, using fruits, vegetables, and spices.
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'.
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.
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.
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!
Magic Crystal Christmas Tree
A magic crystal Christmas tree is an easy crystal project you can do for the holidays.
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 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.
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.
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.
Why Does Ice Float?
Learn about hydrogen bonding and density to understand why ice floats on water.
What Is Earth Day?
Find out what Earth Day is all about, when it is, and how it started.
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 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 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 Do Trick Birthday Candles Work?
You blow them out, but these candles re-light themselves. Magic? No, it's simple chemistry!
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.
Here's how to make green slime for St. Patrick's Day leprechaun trap.
Learn what Pi Day is and when Pi Day is celebrated.
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.
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.
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.
Poinsettia pH Paper
You can make pH indicator from poinsettia flowers, then use the indicator to make your own pH paper test strips.
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.