If the weather is getting a bit warm for you how about we cool everything down with an Ice Volcano!
Oh, and learn a thing or two about chemical reactions too.
What Do I Need?
- Baking powder
- White vinegar
- Food colouring
- Bowl
- Glasses
- Plate
- Pipette (optional)
How Do I Do It?
STEP1 - Our first step is to build our Ice Volcano. Take a container of baking powder (approx 150g) and mix together with some warm water in a bowl.
STEP2 - Keep mixing your baking powder and warm water together until most of the baking powder has dissolved.
STEP3 - Let’s freeze our Ice Volcano! Gently place your bowl full of water mixed with baking powder in the freezer and leave overnight.
STEP4 - Take the Ice Volcano out of the freezer and let it warm up for 5 minutes before turning it over onto a plate.
STEP5 - Use different food colourings to colour our white vinegar.
STEP6 - Eruption! Add the coloured vinegar to your Ice Volcano and witness the eruption!
What’s Going On?
Your Ice Volcano is a perfect example of the classic acid + base reaction.
As our Ice Volcano is made from baking powder it is a base (or alkali!). The vinegar that we add is an acid.
When we mix the acid and the base (vinegar and baking powder) we get a chemical reaction.
Those bubbles that you can see are bubbles of carbon dioxide.
More Fun Please! - Experiment Like A Real Scientist!
- What’s the perfect quantity of baking powder to make the most active Ice Volcano?
- What could you use instead of white vinegar to trigger your volcano?
- Try using regular brown vinegar or some lemon juice on your Ice Volcano.
- What difference does that make?
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