Discover Volcanoes

Dr Tanja Reinhardt

  • Duration: 60 min
  • Language: English
  • Ages: All Ages
  • Date: January 15, 2021 18:00
  • Recorded: Live session with recording available afterwards
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Volcanic eruptions are among the Earth’s most powerful and destructive forces.Using household items, the participants will make their own erupting volcano and learn more about why volcanoes erupt. They will be introduced to the properties of lava, the concept of viscosity and conduct an experiment to see how liquids of different viscosity shape different kinds of volcanoes.

What the participants will need:

  • Any two types of liquids. For example: syrup, tomato sauce, oil, peanut butter, honey etc. best if you have one liquid that is runny (e.g. tomato sauce, oil) and one liquid that is sticky (e.g. peanut butter)
  • Bicarbonate
  • Dishwashing liquid
  • Vinegar
  • 2 teaspoons
  • Large plastic bag or newspaper to cover your table

Simple Volcano:

  • 1 small plastic or ceramic bowl
  • 1 large plate or tray

Play Dough Volcano:

  • Play Dough Small glass or plastic container
  • Cling wrap or aluminium foil (optional)
  • 1 large plate or tray

Newspaper Volcano:

  • Old newspaper
  • Aluminium foil
  • Large plate



Tanja Reinhardt is the Science Centre Coordinator at the Science and Technology Education Centre at the University of KwaZulu Natal (STEC@UKZN). She was instrumental in establishing STEC in 2008 and has grown it from a science museum to a vibrant educational centre for various levels. Apart from developing and delivering workshops she also has a passion for science shows. Tanja’s love for rocks, gadgets and experiments makes her a frequent guest at events such as the Royal Show, ZulFest and SciFest Africa. Her Germanic sense of humour and her passion for geology won her awards as “best workshop presenter” at SciFest Africa in 2013, 2017 and 2019. Tanja holds a Diploma and a PhD in mineralogy from the Ruhr-University Bochum in Germany.