DIY – STEM Creativity Experiment

STEM Creativity

Hello STEM families we hope you’re all ready to get your STEM creativity on!

We have got a fantastic activity that’s fun for your children to do and it will also get them thinking!

In this do-it-yourself activity your children will learn about how food colouring will react to different temperatures of water. 

Materials required:

  • Three clear jars
  • Water
  • Food colouring
  • Masking tape
  • A marker
  • A thermometer but it’s optional


  1. First label the three jars using masking tape and a marker with the three different temperatures you are going to use in this experiment. You’re going to use room temperature water, hot water and cold water.
  2. Fill the jar labeled Room Temperature three-quarters of the way full with water. To get room temperature water just leave the jar full of water on a table for a few hours.
  3. Fill the jar labeled Cold Water three-quarters of the way full with cold tap water. You can add ice to the jar to make the water even colder. You could also put the jar in the refrigerator while you wait for your Room Temperature jar to be ready. If you use ice you need to remove it from the jar before finishing your experiment.
  4. A parent should help with the Hot Water jar. Fill the jar labeled Hot Water three-quarters of the way full with hot water. A parent could also heat up the water on the stove or in the microwave.
  5. Add a few drops of food colouring to each of the jars and observe to see what happens over time.

Ask your children why they believe the food colouring reacts different in the three types of water. Take a picture of the finished experiment and share it with us on Facebook along with your children’s answer!

We are looking forward to reading all of your answers!  

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SUPER SIMPLE HEAT EXPERIMENT. (2014, September 2). Retrieved from