STEAM Activity: Colorful Rain

What Kids Learn From This STEAM Activity

In a STEAM Activity, Colorful Rain Rain kids learn about the separation of liquids with different densities by mixing oil, water, and food coloring. They witness how the food coloring forms colorful droplets, resembling rain, as they fall through the oil and settle into the water below. This experiment teaches fundamental principles of science, such as density and the behavior of liquids, while creating a visually captivating display of a “rainbow” effect.

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What We Need For This STEAM Activity

 

STEAM Activity Colorful Rain Materials
STEAM Activity Colorful Rain Materials

 

 

How to Do the STEAM Activity, Colorful Rain Experiment

 

  1. Fill a clear tall glass or container with water, filling it about three-quarters full.

    STEAM Activity Colorful Rain - Fill Water About Three-quarters Full
    STEAM Activity Colorful Rain – Fill Water About Three-quarters Full
  2. Fill a separate glass with vegetable oil, filling it about half full.

    STEAM Activity Colorful Rain - Fill a Separate Glass With Vegetable Oil
    STEAM Activity Colorful Rain – Fill a Separate Glass With Vegetable Oil
  3. Add different color food colorings to the oil and then mix.
    STEAM Activity Colorful Rain - Add Different Color Food Colorings To The Oil
    STEAM Activity Colorful Rain – Add Different Color Food Colorings To The Oil

     

    STEAM Activity Coloful Rain - Mix The Food Colorings
    STEAM Activity Coloful Rain – Mix The Food Colorings

     

  4. Pour the colored oil mixture on top of the water.

    STEAM Activity Coloful Rain - Pour The Mixture Into The Waters
    STEAM Activity Coloful Rain – Pour The Mixture Into The Waters
  5. Watch colorful “rain” droplets form and fall.

    STEAM Activity Colorful Rain - Colorful Rain Starts To Drop
    STEAM Activity Colorful Rain – Colorful Rain Starts To Drop
STEAM Activity Colorful Rain -Watch Colorful Rain Droplets Fall
STEAM Activity Colorful Rain -Watch Colorful Rain Droplets Fall

Variations & Challenges

  • Create a Hypothesis: Encourage kids to make predictions (hypotheses) about what will happen before they start the experiment. This promotes critical thinking and scientific reasoning.
  • Layered Density: Create layers of liquids with varying densities in the glass. For example, you can have sugar water at the bottom, plain water in the middle, and vegetable oil on top. Carefully add the food coloring to each layer and observe how they interact.
  • Temperature Effects: Experiment with liquids at different temperatures. Cold water and warm water can have different effects on how the colored droplets move and mix.

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Author

  • Isabelle

    Isabelle has been an entrepreneur for last 22 years in retail and educational industry. She is also a mom to a child in elementary school. She believes that when kids are curious and use their imagination, amazing things can happen. She is particularly interested in STEAM learning (Science, Technology, Engineering, Arts, and Mathematics). She believes when children are encouraged to develop STEAM skills from a young age, they gain valuable tools to tackle future challenges in a creative, imaginative, and innovative manner. She enjoys researching STEAM and craft activities, plays, toys and resources and share with parents.

    http://steamandcreate.com Isabelle

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