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12 Apr

Make your own fizzing fossil dınosaur eggs

This page includes fossil dinosaur eggs with prepared  by me for my sweet girl our dinosaur theme.

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Our dinosaur sensory bin

magical hatching dinosaur eggs for kids

To Make Fızzıng Fossıl Dınosaur Eggs You Wıll Need

  • Baking Soda (Bicarbonate Soda)
  • Water
  • Brown Food Colouring or coffee
  • Baking Tray
  • Small plastic dinosaurs (if you can get small plastic dinosaur skeletons even better)
  • Vinegar
  • Syringe, dropper or spray

Fızzıng Fossıl Dınosaur Eggs

  • In a large bowl add your baking soda and some of the brown food colouring or coffee– adding the food colouring will give the eggs a more stone like appearance.Gradually add the water you want to form a mouldable paste.
  • With the small dinosaur mould the paste around the outside of the dinosaur and form into an egg like shape and then put on a baking tray to dry over night – as they dry the egg will harden and lighten in colour as well.
  • We then set about excavating our fossils from the eggs – in the book talks about the different people involved in fossil finding and this gave us an opportunity to talk about some of these jobs. To excavate the eggs we used a spray filled with vinegar. The vinegar reacts with the baking soda fizzing up.
  • The kids filled up the spray and then slowly squirted the vinegar over the eggs and watched as they fizzed.Decided to help the excavation with a spoon to split the eggs open and T using a stick to drill a hole to put the vinegar into to fizz from the inside as well as on the outside.
  • As the eggs reacted the dinosaurs become visible and they were cleaned and then added to our dinosaur box.

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2 Responses to “Make your own fizzing fossil dınosaur eggs”

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    5:38 am on April 29th, 2016

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