ADVERTISEMENT |  REMOVE ADS

Crystal Rock Garden

In this fun activity, your child can make crystals using ordinary rocks and pebbles.
Grades:
K |
1 |
2 |
3 |
4 |
5
CREATE NEW FOLDER
Cancel

Crystal Rock Garden

Age: 4 and up
Time: 30 minutes
Type of Activity: Science

Kids love magic: watching things appear out of thin air. When your child makes crystals form on ordinary rocks and pebbles, she'll feel just like a magician!

Materials needed:

  • 1/2 cup water
  • 2 oz alum (sold in the canning or spice sections of supermarkets)
  • Clear glass bowl
  • Clean rocks and pebbles
  • Mixing spoon

    What to do:

    Step One: Your child should go outside and gather as many rocks and pebbles as she likes.

    Step Two: Rinse the rocks clean in the sink or tub.

    Step Three: On the stove, boil 1/2 cup of water.

    Step Four: Add 2 oz alum to the hot water and stir until the alum is dissolved.

    Step Five: Pour the solution into a clear glass bowl.

    Step Six: Fill the bowl halfway with the clean rocks and pebbles.

    Now watch in amazement as crystals form like magic!

  • Your Free Gift

    The Ultimate Back-to-School Guide

    Teachers are always thinking about their students, but devotion to their progress shouldn’t come at the expense of your own. That’s why we’ve created an “Ultimate Back-to-School Guide” for teachers based on our nine future-ready skill domains.

    What you can expect from this guide:

    • Learn 9 ways to become a better teacher by developing a positive mindset.
    • Links to dozens of free resources curated by our experts to help you both in and outside the classroom.
    • Clear steps to improve your teaching and general well-being.

    Sign up for a premium membership to get your Ultimate Back-to-School Guide absolutely free!

    SIGN UP TO CLAIM YOUR FREE GIFT

    ultimate back-to-school guide for teachers

    Register