Holiday Science

Get ideas for cool holiday science projects.


5 Ways to Make a Chemistree Christmas Tree

A chemistree is a festive and educational holiday decoration. There are several ways to make a chemistree, so no matter what materials you have, you can celebrate the season with chemistry! Chemistry Glassware Chemistree If you have access to a laboratory, a glassware chemistree is stunning. The basic idea is […]

Glassware Chemistree

Hot and Cold Pink Color Change Chemistry Demonstration

Valentine’s Day Color Change Chem Demo 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. Here’s what you do: Prepare the Hot and Cold Valentine Solution Add […]

Watch a solution change from pink to clear and back again with the hot and cold demonstration. (Ty Nigh)

Watch a solution change from pink to clear and back again with the hot and cold demonstration. (Ty Nigh)

Vanishing Valentine Chemistry Demonstration   Recently updated !

Pink Color Change Chem Demo Here’s a fun chemistry demonstration that’s perfect for Valentine’s Day or to illustrate an oxidation-reduction reaction. The Vanishing Valentine involves shaking a solution, causing it to turn pink. If the pink Valentine solution is left undisturbed, it will become colorless. The color change cycle can […]