Erupting volcano experiment

Make an erupting volcano using sodium bicarbonate and vinegar

In this experiment learners will make an erupting model of a volcano from sodium bicarbonate and vinegar. They will make a card model of a volcano and mix the bicarbonate and vinegar to see the effects of the reaction.

Resources required: 

• Small plastic soft drink or water bottles (ideally 200 ml)
• Scissors
• Sticky tape
• A3 thin card
• Paint and brushes
• Coloured pencils

For volcano lava:

• Food colouring
• Water
• Washing-up liquid
• Sodium bicarbonate
• Vinegar
• If available, jugs and funnels

Download the free activity sheet below!

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