The body cavity stayed open without help! When we removed the fish, it was significantly more firm. This time life got busy and we forgot about our mummy fish until 12 days had gone by. Again, we filled the dish with baking soda, added the fish and covered it with more baking soda. We removed the damp baking soda from the fish’s belly and packed it full of fresh baking soda. They were also surprised that the fish didn’t smell! Obviously my kids aren’t afraid to really dive into science. In the picture below, you can see the fish had become stiff by how its tail stayed curved upward. They noticed the body had gotten harder and no longer flopped around. I didn’t know what to expect, so I had the kids wear gloves when examining the fish this time. I was tempted to place it in the fridge, but that’s not how real mummies were made, so we opted to leave it out.Īfter a week, we checked on our mummy fish to see how it was coming along. We covered the glass with a tight-fitting lid (to minimize smell) and put it in a cool but dry part of our basement. Then, next part was the hardest part of the mummy fish experiment: waiting. We made sure all of its body parts had at least an inch of baking soda covering it. Once the body cavity was full, we placed the fish in the glass dish and covered it with more baking soda. You may want to wear gloves for this, though we found the gloves didn’t fit my kids’ little hands well and made handling the fish harder. Make sure to really fill the body cavity, including the head. I then helped them hold open the fish to stuff the insides with more baking soda. Next, they covered the bottom of a glass dish with about 2 inches of baking soda. They noticed it was very slippery and a little stinky, its body was squishy and floppy and its eye was watery. I quickly descaled the fish by scraping a sharp knife down its side against the directions of the scales.īefore making the mummy, I had my kids examine the fish. Since I have a 3 year-old that tends to put his fingers in his mouth, I chose to buy a pre-gutted fish. If you want to make the experience more authentic, you could gut the fish at home to remove its internal organs. My 5 year-old, A, has been fascinated with mummies for a while and had to know just how ancient Egyptians made them.įirst, we started with the dead body. A container with a lid to store your fish while mummifying.1 whole fish (we used a trout, with its guts removed, and descaled). To make a mummy fish, I simply took a quick trip to the store and grabbed a few items: Get ready for this fun and unique science experiment! And for more addictive kids’ science, check out our 30 Science Experiments in our shop! The processes of making a mummy fish is quite simple and with this easy kids’ science experiment, any little mad scientistcan try her hand at making a real mummy! Whether you find mummies creepy or mysterious, you have to admit, they are pretty fascinating.
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