How to make dinosaur fossils with flour water & salt

Updated February 21, 2017

Students who are studying prehistory and palaeontology will be excited to experience how it feels to dig for fossils. You can provide your science students with a realistic fossil digging experience by making dinosaur replicas out of basic kitchen materials and substances, like flour, salt and water. Once you construct these fossils, you can arrange a display that your students can dig through in order to "discover" dinosaur fossils.

Pour the flour, salt and water into a bowl.

Mix the substances together thoroughly until a dough forms.

Sprinkle flour over a table top or counter.

Roll out the dough until it is around 1 inch thick.

Press various chicken bones onto the dough.

Remove the bones to reveal the impressions of the bones.

Cut around the bone impressions to separate them.

Allow the dough bone fossils to air-dry completely. This may take around two hours.

Fill a bucket with sand and dirt.

Insert the dough dinosaur fossils into the bucket of sand and dirt.

Instruct the students to dig out the fossils using a spade or small hand tools.

Things You'll Need

  • 2 cups flour
  • 1 cup salt
  • 1 cup water
  • Bowl
  • Rolling pin
  • Bucket
  • Chicken bones
  • Sand
  • Dirt
  • Spade
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