Valentine’s Day Chemistry
- Chemistry Valentines
Create valentines with chemistry-related sayings and poems.
- Goldenrod Valentines
- Why send your sweetie an ordinary valentine when you can give them a color-changing one?
- Valentine's Day Cards Fit for Geeks
For when an ordinary Valentine card won’t do. Check out the science-themed cards in this collection.
- Printable Chemistry Valentines
They’re free chemistry valentines—ready to print and share!
- Geek Love: Send a #Chemvalentine To Show 'Em You Care
It’s the Top 20 #Chemvalentines to woo your science sweetie.
- 12 Science Valentines
Still looking for the perfect way to say “I love you”? Plenty of ideas here, including one done science-fair-style.
- Scientific Test Tube Valentines
Make a valentine with a science twist using plastic soda bottle preforms.
- Borax Crystal Heart
It’s super simple to make a beautiful crystal heart. Get ready with a pipe cleaner, borax, and hot water.
- Making Bath Fizzies for Valentine's Day
Have fun making bath fizzies, then give them as a Valentine gift!
- The Vanishing Valentine
This oxidation–reduction reaction can add some Valentine color to your day. Pink… to colorless… to pink… to colorless…
- Valentine’s Day Color Change
It’s pink to colorless—take two. Watch what happens when you turn up the heat on this color change demo.
- Expanding Heart
It’s Valentine’s Day and you broke my heart! Good thing it’s just made of marshmallow. Learn about pressure in this sweet demo.
- Nothing Says Valentine’s Day Like Marie Curie
Even more Valentine chemistry to share—atomic emission spectra necklaces, scarves, and scientist-themed cards.
Watch how elements behave at a party, then try out this activity where elements go speed dating. Help the elements find their perfect partners in this activity.
- Valentine’s Day Lab (student handout)
Valentine’s Day Lab (instructor notes)
How do you prefer your valentine? Magic? Expensive? Pretty? With a BANG? Use chemistry to create your top choice.
- How Love Changes Your Body Chemistry
Feeling a love connection? Find out which chemicals play a role.
- Valentine's Day and Love—On the Brain
Think your heart has the most pull in matters of love? The brain has something to say about that.
- Attar of Roses
Give your sweetheart a rose for Valentine’s Day—or just buy one for yourself and try this experiment. You’ll attempt to isolate the compounds that make up its fragrance.
- Colored Flowers
Let them know you care with flowers. But don’t forget the chemistry twist—color them first using a classic capillary action experiment.
- Chemically Perfect Perfume
Take a trip around the laboratory as different components are added to a Valentine bottle in a quest for the perfect perfume.
- Eat Chocolate in the Name of Science
Need an excuse to eat more chocolate? Here it is! Try this experiment and see how your chocolate experience changes depending on temperature.
- The Sweet Lure of Chocolate
Drool over this site as you learn the history of chocolate and try a hands-on “tempering” activity.
- A Calendar Year of Chemistry
The calendar would not be complete without a Valentine’s Day video. Check out “The Chemistry of Chocolate” in this collection.
(all sites accessed January 2014)