Chemistry Projects

Test Tubes of Blue Liquid
The blue bottle reaction is a classic color change chemistry demonstration. It interests students in chemistry, introduces the scientific method, and illustrates oxidation and reduction (redox reactions) and chemical kinetics. The reaction starts as a blue liquid which becomes colorless and returns to its blue color. Materials The usual materials […]

Blue Bottle Chemistry Demonstration   Recently updated !

Hot and Cold Volcanoes
Learn about endothermic and exothermic reactions by making cold and hot chemical volcanoes. This project is more entertaining than mixing chemicals in beakers and measuring their temperatures. The volcanoes use common, safe household ingredients. Endothermic and Exothermic Reactions An endothermic chemical reaction absorbs energy from its environment, so the reaction […]

Hot and Cold Volcano: Easy Endothermic and Exothermic Reactions   Recently updated !

Magicians and chemistry teachers know how to turn water into wine or blood. Of course, this is simply a chemical reaction that causes a clear liquid to turn pink or red. If the conditions are right, the color shifts back and forth. The water into wine demonstration is the easiest […]

Water Into Wine or Blood Chem Demo   Recently updated !

The reaction between sugar and sulfuric acid is one of the simplest chemistry demonstrations and also one of the most spectacular. The chemical reaction causes the dehydration of sugar. This results in a growing, steaming black column of carbon that smells like a combination of caramel and rotten eggs. The […]

Carbon Snake Demo (Sugar and Sulfuric Acid)   Recently updated !

The elephant toothpaste chemistry demonstration produces a steaming tube of foam that erupts like an elephant squeezing a giant tube of toothpaste. The classic demo isn’t appropriate for kids because it uses 30% hydrogen peroxide, but there is a safe, easy version, too. The kid-friendly elephant toothpaste demo uses ordinary […]

Kid-Friendly Elephant Toothpaste Demo