How to Grow the Best Crystals

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

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