13 Candy Heart Activities: Valentine’s Day STEM

Candy Heart Activities are perfect for the month of Valentine’s Day!  So many opportunities for science, literacy, and math that your students will LOVE!

So here are 13 experiments (or learning activities)  to do with candy hearts!

1.  Dissolve them in different liquids.


2.  Make observations with your senses.


3.  See if different colors dissolve the same.

Do different color conversation hearts dissolve at the same rate?  A great little experiment to for Valentine's Day.

4.  Sort them.


5.  Measure with them.

Measuring with Conversation Hearts, a great Valentine's Day math activity. Check out our list of 13 activities to do with conversation hearts.

6.  See if changing the texture or size of them changes the dissolve time.

Do conversation hearts dissolve at the same rate in different sizes?  A great (and easy) Valentine's Day science project for preschool, kindergarten, and first grade.

7.  Try to make them erupt.


8.  Graph the colors.


9.  Taste test them and record your findings.

Taste testing different color conversation hearts.  A great Valentine's Day science project for preschool, kindergarten, and first grade.

10.  Stack them.

heart stacking

This printable is in the preview of our Conversation Heart Science unit on Teachers Pay Teachers, so you can download it for free.  Click here and then download the PREVIEW for this activity.


11.  Predict how many you can grab.


12. Record what sayings are on them.  (See above photo!)

13.  Dissolve them in different temperatures.

Valentine's Day Science for preschool, kindergarten, and first grade. Dissolving conversation hearts in different liquids.

BONUS:  See if they sink or float.  For some reason, I thought they would float, but they totally sink.

Conversation Heart Science - Do they sink or float? This and other great science experiments for preschool, kindergarten, and first grade.
Screen Shot 2017-01-30 at 7.53.19 PM

The printables above are a part of my Conversation Hearth Science Projects.  All of our science units use the same activities and experiments so that way your kids get used to the processes and are able to really think about the concepts behind them!

What activities do you do for Valentine’s Day?  Do you do Valentine’s Day Box Family Project?  Do you have a classroom party; be sure to check out my tips for a stress-free party!


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