Plastic Milk

Want to make plastic out of milk? Well, you can’t actually make plastic but you can make a solid almost like plastic and it is super simple and lots of fun! All you need is a couple of things from the kitchen to get started.

What you will need:

• One cup of milk
• 4 teaspoons of white vinegar
• A strainer
• A pot and spoon
• Paper towel and pastry cutter
• Glitter and/or food coloring (optional)
• An adult helper

What to do:

First, have an adult heat up 1 cup of milk. Do Not Boil!
Next, shut off the heat and add 4 teaspoons of vinegar.
Then, stir the vinegar and milk for about a minute.
Now, strain the mixture. You will notice clumps
Left behind in the strainer is a mass of lumpy blobs.
Dry lumpy blobs on paper towel. Pat flat and cut with a pastry cutter.
Set aside to dry for a few days.

How Does it Work:

Is there really plastic in milk? Well, no there isn’t plastic but their is a protein known as Casein which is found in milk. When the Casein meets acid such as vinegar, it becomes visible and forms blobs. True plastics, called polymers, are a little bit different.

Check it out in action!

Let us know!

Did you try this experiment? How did you like it? Let us know in the comments section below. Share your videos and photos with us on Facebook, Twitter and Instagram use the hashtag- #sciencesunday

We would love to see you doing the experiments!