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Bubble Planets

Goal: To understand that craters are a common feature of terrestrial planetary surfaces.

Grade Levels: K - 6th Grades


Students will use this hands-on activity to produce a model of a crater planetary surface.

What You Do

  1. Mix approximately 2 tablespoons of joy detergent, 2 tablespoons of tempra paint, and 1/2 cup of water into each bowl.

  2. Stir mixture in each bowl with craft stick.

  3. Cover table with newspaper or place newspaper underneath each bowl.

  4. Set-up a table with bowls to serve as stations for students to rotate.

  5. Give each student a straw and have them blow bubbles in the bowl. The bubbles should grow above the rim of the bowl.

  6. Have the student take the construction paper and lay it carefully on top of the mass of bubbles. The pressure of the paper will pop the bubbles and produce a circular crater-like surface.

  7. Allow the paper to set for a few moments before picking it up.

  8. Dry in front of the box fan.

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  What You Need

  • Small bowls
  • Straws
  • Liquid tempra paint (white, black, or brown)
  • Construction paper (black or red)
  • Joy dishwashing detergent
  • Newspapers
  • Water
  • Craft sticks for stirring paint mixtures in bowls
  • Box Fan

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