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General Chemistry Science Fair Project

Grow Your Own Crystal Garden

Grow Your Own Crystal Garden | Science Fair Projects | STEM Projects
Have you ever wanted to grow your own crystals? With a few simple ingredients and a little patience, you can create a beautiful crystal garden.


The hypothesis is that crystals can be grown with a few simple ingredients and a little patience.

Method & Materials

You will arrange sponges in a pie plate, mix salt, water, bluing, and ammonia in a bowl, pour the mixture over the sponges, and sprinkle food colouring randomly on the sponges.
You will need 3 clean, dry sponges, an aluminum pie plate or cake pan, a glass measuring cup, 1/4 cup table salt, 1/4 cup water, 1/4 cup laundry bluing, 2 tablespoons household ammonia, a mixing bowl, a metal spoon, and blue and green food colouring.


Crystals form when atoms or molecules join together in a repeating pattern. This project shows how crystals can be grown by adding atoms or molecules to all its sides in the same pattern. The results may take hours or even days to see.

Why do this project?

This science project is interesting and unique because it shows how crystals can be grown with a few simple ingredients and a little patience.

Also Consider

Experiment variations to consider include using different types of sponges, different types of food colouring, and different amounts of the ingredients.

Learn more

You can find additional information and details for this science fair project here. Have fun exploring!

Related video

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