At Rosie Riveters we provide hands-on and interactive projects to get girls aged 4-14 excited and engaged in STEM. One project we've wanted to do for AGES but simply haven't had the time during programs (you need at least 24 hours to let them set) is growing crystals! Crystal growing offers a great opportunity to explore suspension, density, and crystallization. This project is not only fun but you are likely to be able to complete it with materials that you already have at home this Fall. With that in mind, we give you Crystal Cat Pumpkins!
For this experiment you will need the following materials:
Please Note: As both boiling water and Borax are used during this project adult supervision is strongly encouraged. As with any lab environment safety should be your first priority. Avoid direct contact with the eyes and wash your hands after making and handling your crystal cat pumpkins. In case of accidental ingestion, call poison control or seek medical attention.
Please Note: As both boiling water and Borax are used during this project adult supervision is strongly encouraged. As with any lab environment safety should be your first priority. Avoid direct contact with the eyes and wash your hands after making and handling your crystal cat pumpkins. In case of accidental ingestion, call poison control or seek medical attention.
- A mini pumpkin
- A pipe cleaner (we used white)
- A glass container that your pumpkin can fit into and be fully submerged in
- A plate or similar object that can help to keep your pumpkin submerged and still
- Borax (3 tablespoons of Borax to 1 cup of water is the normal ration for crystal growing, you will need to adjust based on the size of your pumpkin)
- Boiled Water (enough water to support your Borax ratio)
- Measuring spoon and stirring spoon
- Mixing Bowl
Instructions
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We want to thank Little Bins for Little Hands for the inspiration for this project. They have a ton of great experiments you can try out at home. Go check them out.