Making dinosaur bone fossils is a fun and creative way to teach kids about archaeology and the many discoveries that have been made through digging up old bones. In only a few minutes you can create a mixture that will harden into a structure resembling an aged, fossilised dinosaur bone. Most of the ingredients you can find around the house, and in no time you will be hosting fossil hunts of your own.
- Skill level:
Things you need
- 1 cup sand
- 1/2 cup water
- 1/2 cup cornstarch
- 1/2 tsp alum spice
Add 1 cup of sand, 1/2 cup of water and 1/2 cup cornstarch in a saucepan. You may want to use an old saucepan, as the gritty sand may ruin the finish of a newer pan or remove non-stick coating. Stir the mixture well.
Add 1/2 tsp of alum to the mixture and stir thoroughly.
Place the saucepan on a burner set to medium heat. Stir the mixture constantly. It will begin to turn into a liquid as it heats.
Remove the mixture from heat after about two to three minutes, or when the mixture has reached a consistency like cookie dough.
When the mixture has cooled, scoop it onto a clean surface and mould it with your hands into the shape of a dinosaur bone. Use your imagination to create various shapes resembling leg bones, claws and even dinosaur skulls.
Leave the shaped dinosaur bones in a warm place to dry. After a few days you will have hardened sculptures that will resemble aged and fossilised dinosaur bones.
Tips and warnings
- Hide the fossils in a sandbox to create a fun activity for kids. Provide shovels and brushes for a fun excavating adventure.
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