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Crystal Growing Experiment

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A fun and educational hands-on science project for kids to grow crystals using simple household ingredients.

Ingredients

  • Warm water
  • Alum powder or Borax or Sugar or Baking soda (pick one)
  • String or cotton thread
  • Pipe cleaners or small twigs (optional)
  • Clothespins or chopsticks
  • Labels and a small notebook
  • Paper or tray

Instructions

  1. Prepare your workspace and lay down a paper tray.
  2. Heat water until hot but not boiling, and pour it into a heatproof bowl.
  3. Slowly add your chosen substance while stirring until dissolved.
  4. Test saturation and add small pinches of the substance until no more dissolves.
  5. Skim any solids from the surface and pour the clear solution into your jar.
  6. Prepare a string or pipe cleaner shape and suspend it in the jar without touching the sides.
  7. Cover the jar loosely with a paper towel and place it in a calm spot with indirect light.
  8. Check daily for growth, and if a crust forms, gently remove it.
  9. After several days, carefully lift the armature and rinse with cool water to clean.
  10. Document your observations in the notebook.

Notes

Keep the jar away from drafts and direct sunlight for optimal growth. Record daily observations to track progress.

Nutrition