Color Changing Plants

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color changing celery in cups filled with water

Grade Level: Kindergarten

Book: Life Science Unit: Living Things Module: Plants


Teach students about how plants absorb nutrients and water through tubes called xylem.

Research Question:

Will different colored water be transferred from the root and change the color of the leaves on a plant?


  • Stalks of Celery with leaves
  • Clear plastic bottles/vases
  • Food coloring
  • Measuring cup
  • Water
  • Knife(to be used by the Adult)
  • Paper towels

Experimental Procedure:

  • Gather the necessary materials. 
  • Fill the each container about halfway with water.
  • Add a few drops of food coloring to the water and stir.
  • Have an adult cut the bottom of the celery stalk straight across leaving the leaves attached to the stalk.
  • Place the celery stalk in the glass, cut end first. Set the glass somewhere where it will not be disturbed overnight.
  • The next day, record any changes. 

Related Lesson:

Plants – Weird and Wacky


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