As the slime forms the tangled molecule strands are much like the clump of spaghetti! Picture the difference between wet spaghetti and leftover spaghetti the next day. They begin to tangle and mix until the substance is less like the liquid you started with, and thick and stretchy like slime! That makes slime a polymer. When you add the borate ions to the mixture, it starts to connect these long strands together. These molecules with flow past one another keeping the glue in a liquid state. The glue is a polymer and is made up of long, repeating, and identical strands or molecules. What’s the science behind the slime? The borate ions in the slime activators (sodium borate, borax powder, or boric acid) mix with the PVA (polyvinyl-acetate) glue and forms this cool stretchy substance. ![]() Slime really does make for an excellent chemistry demonstration and kids love it too! Mixtures, substances, polymers, cross linking, states of matter, elasticity, and viscosity are just a few of the science concepts that can be explored with homemade slime! We have a brand new series out on NGSS science standards, so you can read how this will fit in nicely too! Their favorite part was making impressions in the slime with the ocean animals and then watching the impressions slowly disappear.We always like to include a bit of homemade slime science around here, and that’s perfect for STEM which is science, technology, engineering, art, and math. We added some of our ocean animals to the slime. ![]() Lucy decided to mix our turquoise and blue slime together. Here’s the best picture I could get of him playing- he was just always in action! Theo just couldn’t get enough of the stretching. Theo tried to make his as long as Lucy’s. They’d stretch it and see how long they could make it get. The kids started off by just exploring the slime. Also, my son did get some slime on his shirt which washed off in the washer, but just in case, be sure your kids are wearing play clothes. We played in our kitchen at the table since the table and wood floors are easy to clean. (If your ocean slime didn’t turn out quite how you were hoping, it’s an easy fix! Just go here to read How to Fix Slime that Didn’t Work Out for details.)ħ. You can store your ocean slime in an airtight container for up to two weeks!īe sure to find a place to play with slime that you don’t mind getting a bit messy. It should be nice and stretchy, but not stringy or super sticky. Once the mixture begins to thicken and climb up your spoon, you can knead it well by hand.Ħ. If you are not a fan of glitter, I’d skip this step because you will have some glitter around after playing with the finished slime.) We added some silver, blue and green glitter to ours!ĥ. Add glitter (if you are glitter-love like me. (We actually made a few batches and colored one regular blue and one turquoise.)ģ. Add your liquid watercolor or food coloring to the glue-water mixture. Start by pouring the water and liquid glue into a bowl. 1/2 cup liquid glue (We used white glue, but you can also use clear for a slightly different look.)ġ.At the end of the post I will leave some links for some taste-safe slime recipes for the younger ones to enjoy!) Ingredients for Ocean Slime ![]() This recipe uses ingredients that are not safe when ingested. ( DO NOT allow children that still put things in their mouth to play with this particular slime recipe or ever leave any child unattended while playing. ![]() Feel free to substitute colors to make it fit your own theme! Below is the recipe for making your own slime. This was my children’s first experience with homemade slime, and I have to say I wish I had tried it sooner! Theo and Lucy went absolutely nuts playing with it, and it was so easy to make. So this week when one of my good friends, Fun at Home with Kids, challenged kid bloggers to participate in Slime Week, I knew I had to try it! I combined slime with an ocean theme to come up with our ocean slime recipe! (This post contains affiliate links.) We have been on focusing on all kinds of ocean themed activities for kids the past few weeks (like our Rocky Shore Small World with Ocean Playdough, our Fine Motor Octopus Craft and our Free Printable Beach Scavenger Hunt). If you’ve ever wondered how to make slime, you’re in luck! Today I’m sharing a super simple slime recipe that can be modified to fit any theme. We used this recipe to create our ocean slime! Sign up for the FREE Buggy and Buddy Newsletter!
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