The Science Behind Slime

This episode of Science Mom discusses different ways to make slime and is borax safe? Is slime a fluid or a solid?

Newton said that fluids only changed their viscosity in response to changes in temperature, so when scientists discovered fluids that didn’t follow this pattern–such as slime–they named them “non-newtonian fluids.” Three recipes for slime, including “classic,” “borax-free”, and “science mom slime.” A discussion on the safety of borax and distinguishing hype from reality. 

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Journal Questions
  1. Is slime a liquid or a solid?  If you are not sure, play the video again.  Science Mom called it a special kind of fluid.  What was the name she used?
  2. Did you do the experiment?  If so, which recipe did you try?  We’d love to see pictures if you took any.
  3. In the video, Science Mom worked out a recipe that she said has the “perfect balance” of 3 things that made for a great slime.  What were they?

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Topics

Science
Grade Level
2-3
4-5
6-8

Creator

Science Mom

Science Mom
Engaging science activities for kids of all ages.

Materials

“Classic Slime”

  • 4 oz white school glue
  • 4 oz water
  • Food coloring
  • 2 Tbsp borax solution (made by mixing 1 Tbsp of borax powder with 1 cup warm water)

“Borax-Free Slime”

  • 4 oz white school glue
  • 1/2 Tbsp baking soda
  • Food coloring
  • 1 Tbsp contact lens solution

“Science Mom Slime”

  • 4 oz glue
  • 2 oz water
  • 1/2 Tbsp baking soda
  • Food coloring
  • 1 Tbsp contact solution

Downloads

SLIMEBOOK - Recipes
SLIMEBOOK2-1 - Booklet