In this fun and easy excavation activity for kids, we’re going to demonstrate and investigate a meteor burning up by making a Magnificent Meteor Excavation.
  • Empty two liter soda bottle
  • Scissors
  • Baking soda
  • Citric acid
  • Measuring cups and spoons
  • Mixing bowl
  • Spoon
  • Water
  • Small items to excavate. Little plastic aliens or other space themed items work great. 

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  1. Carefully use the scissors to remove the label and cut the top off of the two liter bottle. 
  2. Fill the two liter bottle nearly full with water.
  3. Mix one cup of baking soda and 1/2 cup of citric acid in the mixing bowl.
  4. Slowly add a teaspoon of water to the dry ingredients and mix quickly. Be aware the mixture will start to fizz. 
  5. Quickly use your hands to form balls of the mixture around the excavation items. Press firmly to compact the material. If the mixture crumbles and does not easily form a ball, slowly add another teaspoon of water to the mixture.  
  6. Set the "meteors" aside to dry for a few minutes.
  7. Drop the Magnificent Meteor Excavations into the water filled bottle.
  8. Observe the fragments as it fizzes, bubbles, and comes apart.
  9. The water represents the atmosphere and the excavation represents the meteor burning up in the atmosphere.
  10. Recover and enjoy the fun item hidden in the Magnificent Meteor Excavation. 


I hope you enjoyed this super quick tutorial and had fun creating your own Magnificent Meteor Excavation to investigate and explore. These excavations are very easy to make and a lot of fun!
Pro tip: Use this activity to create some excitement around discussions or lessons about acids and bases, chemical reactions, kitchen science experiments, outer space, and more!
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Happy Excavating!
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