All Challenges

Challenge 016 · Ages 6–11

Volcano Eruption

Model an acid-base reaction.

Recommended Guided Learning Time: 1.5 hours

Learners may require additional or fewer hours depending on age, prior experience, pace and the level of development they choose to take their project to.

Primary STEAM area

Science

The Challenge

What will your learner investigate?

Can you create and explain a safe model volcanic eruption using an acid-base reaction?

Learning outcomes

  • Observe signs of a chemical reaction.
  • Follow a method and compare how variables affect the reaction.
  • Distinguish the model from how real volcanoes erupt.

Connected learning

Science: chemical reactions and Earth science; Geography: volcanoes; Mathematics: measuring quantities; English: explanation writing.

Dream Areas

Chemistrygeologyvolcanologyenvironmental sciencescience education

Prepare for this Challenge

What you'll need

Here's what may be useful for completing this activity. Requirements may vary depending on the learner, activity format and equipment available.

Materials & consumables

  • Bicarbonate of soda
  • vinegar
  • washable colouring
  • dish soap (optional)
  • modelling clay or paper volcano.

Equipment, tools & software

  • Tray
  • small bottle
  • measuring spoons
  • safety glasses.

Safety & preparation

  • Adult supervises
  • do not seal the reaction vessel.

These preparation notes support planning and do not replace a project-specific risk assessment or appropriate adult supervision.