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How To Make Slime: 4 Of The Easiest Slime Recipes

How To Make Slime?

There is no doubt that kids love slime. And not just kids, it is a great chemistry learning tool for the young ones of all ages. It is also surprisingly easy to make it yourself together with the kids. We’re sharing with you four of the simplest and most popular slime recipes that you and your kids will enjoy preparing.

1. Simple and fast glue slime

How To Make Slime
Source: Home Science Tools – YT Channel

The things that you will need to make this slime are some white glue, borax (sodium tetraborate), some food coloring if you want, water, and two mixing containers.

How to make slime:

  • In one container, add about a quarter glue or 1 oz., a quarter cup of water and food coloring if you prefer, then mix it all well.
  • Next, add a quarter of a cup of the borax solution and continue mixing.
  • The slime should start to form instantly. While mixing you can lift some slime to check on the progress.
  • When you feel the consistency is thick enough, just start to mix it using your hands. It will become very messy, but it’s important to mix it with your hands for the ingredients to bound fully. If there is some water left in the container, just throw it away.
  • It’s best to keep the slime in a sealed container that’s airtight and in a cold place like the fridge to make sure it stays alive over a longer period.

What type of reaction occurred here?

The glue is a polymer and the borax solution links the polymer molecules to each other to become one big polymer. The more you play with this slime the harder and drier it will become, so it might be fun to experiment with other types of glues to see if they will turn into slime.

2. Gooey slime

How to make slime
Source: Home Science Tools – YT Channel

This slime is the real deal. It is clear, gooey, and very fun to play with. It’s also non-toxic but you should wash your hands after playing with it.

The things that you will need for this one are some polyvinyl alcohol or PVA, some borax, a container, and some food color, but that’s optional.

How to make slime:

  • Put a quarter of a cup PVA and the optional food coloring in a mixing container and mix it with a stick.
  • Add in two teaspoons of borax solution and mix it well.
  • As you mix, you’ll notice the slime forming. Continue mixing until it’s ready for playing. Have fun with this one but don’t put it in your mouth.
  • It’s best to keep the slime in a sealed container that’s airtight and in a cold place like the fridge to make sure it stays alive over a longer period.

What type of reaction occurred here?

The bonds that form here are a little bit more complex than those of the glue slime. The PVA is a polymer with oxygen chains in it, and the borax solution has hydrogen so the hydrogen from there makes bonds with the oxygen from the alcohol and they link different PVA strands to one another to make a blob. These bonds are weaker and break easily so they will break and reform as you play with the slime.

3. Glooze slime made with milk

The things that you need to make this slime are some skim milk, some vinegar, some baking soda, and a filter.

How to make slime:

  • Mix seven tablespoons of milk and one tablespoon vinegar in a container until solid parts start to form.
  • Let the solid parts sink and then filter the remaining milk away.
  • Mix a quarter of a teaspoon baking soda with the solid parts of the milk and start working with your hands until the slime forms.

What type of reaction occurred here?

The milk’s protein, casein, separates from the liquid when vinegar is added, and it sinks at the bottom in a solid form. Casein is a polymer too that when you add baking soda to it, it tries to revert to its liquid state so it forms a slime.

4. Oobleck

How to make slime
Source: Home Science Tools – YT Channel

The oobleck is technically not slime but a non-Newtonian fluid.

The only things that you will need for this one are cornstarch and water. And somewhere to mix these two ingredients.

How to make slime:

  • Add small amounts of cornstarch and water in the bowl until you get a mixture with a consistency that resembles that of honey.
  • You can test the consistency all the time by plunging your hands in it and trying to do fast motions with them. You will notice that when you put your hand in the mixture slowly it sinks like it’s a normal liquid, but when you try to move them fast, the liquid suddenly turns into a solid.
  • Play with it and experiment with different speeds of motion. Try punching it and you’ll see that it offers resistance as if it is almost solid. If the mix splatters you should add a little bit more cornstarch.

What type of reaction occurs here?

The cornstarch and water mixture is called a non-Newtonian liquid because the viscosity of it is affected by the force that’s applied to it. Quicksand is also a non-Newtonian liquid. Other normal liquids like water don’t change their viscosity if you apply force to them so this makes this Oobleck a really fun and quite a messy thing to play with.

Source: HomeScienceTools

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