Fireworks in a Jar: Your Own Mini Experiment

🎂 5 + years ⏱️ 20 min 📍 At home ⭐ easy

Imagine being able to create your own fireworks on New Year's Eve – without the loud bang, but safely in a jar! This experiment shows you how water and oil can create colorful magic. It's not just an exciting experiment, but also a great way to learn about science. By the end, you'll understand why some things just don't mix and how colors can dance in water.

What you'll need

Transparent vase or jar
Water
Vegetable oil
Food coloring
A spoon
A small jar or cup

How it works

Fill your large vase two-thirds full with water. Carefully place it on the table. Take a close look at the water. It's clear, right? That will change soon!
Take the small jar and add about two tablespoons of oil. Now it's time for the colors! Drop a few drops of food coloring into the oil. Each color will stay in small dots at first. Looks cool, right?
Now take a spoon and gently stir the colors in the oil. The drops break into even smaller dots. Slowly pour or drop the oil-color mixture into the jar with water. Watch what happens!
The color sinks through the oil into the water and starts to dance like a little fireworks display. It looks like fireworks are exploding underwater.
Why does this work? Oil and water don't like each other – they don't mix. However, the food coloring can dissolve in water, not in oil. Once the color reaches the water, the colorful spectacle begins.
Your fireworks in a jar is not just an exciting experiment, but it shows you how thrilling science can be. Enjoy the wonder and learning!