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in Halloween STEM Activities

Spooky Halloween Spider Slime Experiment: Messy Halloween Fun!

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Can you make slime that acts like a spiderweb? With this fun slime experiment, you can! Just two ingredients creates sticky spider silk for hours of fun!

Halloween is one of the favorite holidays at our house. In fact, with seven weeks to go to Halloween, my youngest just brought out her pumpkin bucket and asked to go trick or treating.

We also love slime recipes and STEM activities.

So, like the educator that I am, I wanted to meld these two loves together. This is how we created the spider slime experiment. 

Can you make slime that acts like a spiderweb? With this fun slime experiment, you can! Just two ingredients creates sticky spider silk for hours of fun!

Make your own spider slime experiment by following our directions below. Go here to find more Halloween STEM activities!

Spooky Halloween Spider Slime Experiment: Messy Halloween Fun!

Can you make slime that acts like a spiderweb? With this fun slime experiment, you can! Just two ingredients creates sticky spider silk for hours of fun!

Fair warning, this project is MESSY. We had sticky spider silk all over the house, porch, clothes, and kids. Luckily, the glue washes right out. I recommend doing this project outdoors and in old clothes just in case.

What you’ll need:

This post contains affiliate links. I may make a small commission on any purchases made through these links.

Elmer's Liquid School Glue, Premium Clear, Washable, 1 Gallon, 1 Count - Great For Making SlimeElmer’s Liquid School Glue, Premium Clear, Washable, 1 Gallon, 1 Count – Great For Making SlimeFood Coloring Liqua-Gel - 6 Color Rainbow Kit in .75 fl. oz. (20ml) BottlesFood Coloring Liqua-Gel – 6 Color Rainbow Kit in .75 fl. oz. (20ml) BottlesPurex Sta-Flo Liquid Starch, 64 OuncePurex Sta-Flo Liquid Starch, 64 OunceOriginal Stationery Arts and Crafts Glitter Shake Jars, Extra Fine, 24 Multi color SetOriginal Stationery Arts and Crafts Glitter Shake Jars, Extra Fine, 24 Multi color Set

 

  • Liquid starch (about 1/4 of a cup)
  • Clear glue (1 4 oz bottle)
  • A toy spider
  • Plastic tray

Can you make slime that acts like a spiderweb? With this fun slime experiment, you can! Just two ingredients creates sticky spider silk for hours of fun!Pour your bottle of glue into a container. We like these plastic trays for messy fun. Add a small amount of liquid starch (we started with a tablespoon or two and gradually kept adding it until the mixture started to form into a ball). Mix with a spoon until the starch forms a goopy ball. You don’t want to add so much starch that the glue won’t stretch.

Start working the mixture between your hands. You’ll see in our photos that at first, the glue mixture looks more like traditional borax slime, but after working it for a while, it turned into the spider silk strings we were looking for.

Can you make slime that acts like a spiderweb? With this fun slime experiment, you can! Just two ingredients creates sticky spider silk for hours of fun!Let the kids play in the sticky spider silk slime as long as they like. We added a spider made from pipe cleaner so that our spiderweb home had an occupant. If you own plastic spiders, they would also make an excellent addition to this activity.

 

This spider slime experiment is a fun way to introduce the concepts of non-Newtonian liquids and polymer bonds to kids. You can read more about the science behind slime here.

Can you make slime that acts like a spiderweb? With this fun slime experiment, you can! Just two ingredients creates sticky spider silk for hours of fun!

More Halloween STEM Activities

Halloween Science Experiments to Delight Your Kids With

Monster STEM Activities

Build a Monster Engineering Activity

Brain Surgery Halloween Science Activities

Can you make slime that acts like a spiderweb? With this fun slime experiment, you can! Just two ingredients creates sticky spider silk for hours of fun!

Want More Halloween STEAM? (Science, Technology, Engineering, Art, and Math)

Find more amazing Halloween STEAM activities in the STEAM Kids Halloween book!

 halloween stem challenges 

Save this idea for later!

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Filed Under: Halloween STEM Activities Tagged With: chemistry, elementary, halloween, slime

About Brenda Priddy

Brenda grew up thinking she hated science.

But when her 4-year- old daughter was more interested in reading science facts than fairy tales, Brenda realized she had to learn more about science to keep up with her daughter.

Through simple at-home science experiments, Brenda developed a passion for science and now acts as an advocate for STEM education for kids at her website STEAMsational.com.

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What is STEAM?

STEAM activities for kids promote the idea that science, technology, engineering, art, and math can all work together to help kids become critical thinkers, problem solvers, and innovators!

Join us on our journey to discover just how much fun science experiments can be.

What we do… 

STEAMsational offers STEM and science lesson plans and teaching resources to provide a firm STEM foundation for children in the classroom or home.

All you need to do is find your supplies, gather your scientists, and let the innovation unfold.

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