Hot and Cold: Learn the Science of Thermometers

Brr! It's cold. How cold? We will need a thermometer to know. Learn how thermometers work and make a simple thermometer of your own with this science experiment. Collect the necessary materials then follow along with the video.

Materials

  • Hot water

  • Cold water

  • An empty soda can

  • Food coloring

  • A clear straw

  • Clay or Play-Doh

  • A bowl

  • Paper towels