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    Home » How to make the best slime

    How to make the best slime

    August 10, 2016 By Emma Vanstone 1 Comment

    We’ve been busy making borax free slime today and thought it would be fun to try three different slime recipes then create tests to see which we liked the best.

    3 easy no borax slime recipes for kids #slimerecipes #noboraxslime
    No Borax Slime Recipes

    No Borax Slime Recipes

    Cornflour Slime

    Simply add a little water to cornflour and you get a slippy slime that can be scrunched up into a solid ball, but if you unclench your fingers it flows like a liquid again. Cornflour gloop is a non-Newtonian fluid which means it doesn’t flow like liquids usually do.

    Cornflour Chia Seed Slime

    Soak a handful of chia seeds in water for a few hours and then add cornflour and a little water. This makes a lovely thick slime, which flows beautifully through little fingers.

    Chia Seed Slime - no borax slime recipe
    Cornflour and Chia Seed Slime

    Fybogel Slime

    It sounds a bit odd, but Fybogel makes a brilliant slime. Add a sachet to water and boil on the hob or in a microwave, once boiled leave to cool, you should be left with a sticky, gloopy slime!

    Fybogel slime - no borax slime recipe
    No Borax Fybrogel Slime

    How can you test slime?

    We thought very carefully about how to test our slimes, and devised three tests.

    The Stretch Test

    This involved trying to stretch the slime between our hands.

    Winner – Fybogel Slime

    Remember to use the same amount of each slime.

    The Viscosity Test

    We set up a viscosity race to investigate which slime was the most viscous. Viscous liquids are thick and flow more slowly than less viscous liquids.

    Winner – Cornflour Slime

    Remember to use the same amount of each slime and time how long each takes to flow between the same two points.

    reusable Viscosity Ramp
    Reusable Viscosity Ramp

    The Splat Test

    For the splat test we picked up a handful of slime and threw it at a piece of cardboard. We decided the best slime would be the one which made the biggest splat.

    Winner – Fybogel Slime

    Remember to use the same amount of each slime, throw from the same distance and with the same force.

    Splat test. test different slimes to discover which give the best splat! #scienceforkids #slimerecipes #noboraxslime
    Splat Test – Slime Testing!

    For more fun slime recipes to test, try some of the great no borax slime recipes over on Red Ted Art. We can’t wait to see how they do in our splat test!

    We’ve also got a creepy Halloween slime to try.

    Slime – Learning Points

    This is a great activity for starting to think scientifically. For each test discuss how to make it fair, for example standing the same distance from the splat board and throwing the same amount of slime.

    Try asking children to predict which slime will be the best in each test based on their existing knowledge.

    More Slime Activities

    Can you make a better slime? Try adding chia seeds to the Fybogel or using different amounts of water.

    Links with English

    Can you write a story featuring slime?

    Can you write a set of instructions so someone else can follow your recipe?

    Links with Maths

    Can you record the time taken for the slime to flow between the two points on the viscosity board and plot the data on a graph?

    If you liked this activity you might like our walking on oobleck activity too!

    Easy Slime Recipes. Super simple no borax slime recipes for kids #scienceforkids #makingsciencefun #slime #noboraxslime

    Last Updated on February 5, 2020 by Emma Vanstone

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    Safety Notice

    Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

    These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

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