HomeMade slime

I have done this with the home teachers I visit.
So, let's make some slime. What do we need?

Glue
Water
Borax
Food coloring (optional)
A empty water bottle (that you will not drink out of afterwards)
A sealable ziploc bag
Cup/bowl OR a an additional sealable ziploc bag
A popsicle stick (something you can stir with, you only need this if you are going to use a cup)

How do we make it?

First, we actually need to place some borax into the empty water bottle, then add water to it and after closing the bottle, shake it. If all of the borax dissolves, add more until you can see solid in the bottom.

Now, we can begin to make our slime. Place glue into the cup or ziploc bag. It helps to measure it. No specific amount has to be used, but I recommend at least 1 tablespoon, or you will not get enough to play with. Then add an equal amount of water. If it is in a cup, use your popsicle stick to stir it; if it is in the ziploc bag, close the bag and squeeze, similar to the motions of kneading bread. If you want it to be colored, add your food coloring at this stage. You do not need much.
Now, add the borax solution we made. You will want to either stir it quickly while adding, or knead your bag while adding it. It certainly helps, and usually is more fun, if you have someone to help you. Add as much as you need to get to the consistency you want.

You can get a completely different look by using clear glue. However, if you choose to use clear glue, you must use a bag for mixing.

You can also trap small items in your slime, such as beads or glitter, if you want. One warning: glitter tends to be somewhat messy, and it takes over a half hour to really work into the slime.

Now we have slime, So what happened?

We can compare glue to a bowl of cooked spaghetti noodles. All the stands are tangled up, but if we really wanted to, we can get individual noodle out from all the rest (or a small portion of the glue). So, the slime seems like all of these are stuck together, we can't move anything separately. This is what the borax was for. When we added the borax, a chemical reaction occurred, which caused all of these strands to stick together. It would be similar to adding peanut butter to our spaghetti noodles (except this is not a chemical reaction): they would all stick together. We have made what is termed a polymer.

So, I know you want to keep your slime forever. Unfortunately, this isn't possible, it will go bad, eventually. But to slow this down, there's a couple of things you can do: when not playing with it, keep it in the fridge, in a sealed plastic bag. This will discourage the growth of bacteria and keep it from drying out.
So, go make some slime and have fun!