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Learning can be so much fun for kids and this Dissolving Candy Hearts Science Experiment for Valentine's Day is a perfect example. This simple melting hearts science experiment uses classic Conversation Hearts candy to explore solubility. Kids of all ages will enjoy this candy science and Valentine's Day STEM activity.
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Dissolving Hearts Science Experiment for Valentine's Day

Learning can be so much fun for kids and this Dissolving Candy Hearts Science Experiment for Valentine's Day is a perfect example. This simple melting hearts science experiment uses classic Conversation Hearts candy to explore solubility. Kids of all ages will enjoy this candy science and Valentine's Day STEM activity.
Prep Time10 mins
Active Time20 mins
Total Time30 mins
Yield: 1
Author: About a Mom

Equipment

  • clear small bowls
  • measuring cups and spoons
  • timer

Materials

  • 6 cups of water
  • ½ cup sugar divided
  • ½ cup salt divided
  • 6 candy hearts

Instructions

  • Place 1 cup of water into three different cups. Into one cup, add ¼ cup sugar, stirring until it is dissolved. Into the second cup, add ¼ cup salt, stirring until dissolved.
  • Heat the remaining 3 cups of water until hot.
  • Place 1 cup of hot water into three different cups. Into one cup, add ¼ cup sugar, stirring until it is dissolved. Into the second cup, add ¼ cup salt, stirring until dissolved.
  • Place one candy heart into each cup of water. Set a timer for 2 minutes.
  • When the timer goes off, check the candy hearts and make note of which have changed.
  • Continue checking the candy hearts every 2 to 5 minutes, making note of the changes.
  • Discuss which liquids caused the candy canes to dissolve faster/slower and why. If desired, repeat the experiment using different room-temperature liquids such as vinegar, liquid dish soap, oil, soda pop, etc.