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How to Grow the Best Crystals

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31 reviews
Active Time
20-30 minutes
Total Project Time
Up to 1 day
Key Concepts
chemistry, solubility, saturation, crystals, purification, crystalization
Borax crystals grown in the shape of a heart around a red pipe cleaner.

Introduction

Have you ever wondered how crystals are made? Crystals come in all different shapes and sizes. However, the purest and cleanest crystals are usually also the ones that grow to be the largest in size. In this activity, you will compare the size and shape of crystals grown at different temperatures. With just water and Borax, a household cleaning product, you can discover the method for growing large, pure crystals!

Credits

Teisha Rowland, PhD, Science Buddies
This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,150 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.
Next: Materials

Materials

  • Pipe cleaners (2)
  • Pencils (2)
  • Borax, also called 20-Mule Team household cleaner. It can be found in the cleaning aisle of many grocery stores.
  • Measuring tablespoon
  • Large bowl
  • Identical jars or large drinking glasses (2)
  • Cooking pot
  • Plastic wrap
  • Ice cubes
  • Water
    Materials needed to grow borax crystals for a science activity.
Next: Instructions

Reviews

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Active Time
20-30 minutes
Total Project Time
Up to 1 day
Key Concepts
chemistry, solubility, saturation, crystals, purification, crystalization
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