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In this activity, learners create a gelatinous slime using guar gum powder and borax. Educators can use this simple activity to introduce learners to colloids.

This fun video explains how to make a batch of oobleck (or slime) and why this special substance is known as a "non-Newtonian" fluid. Watch as Mr.

This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.

In this activity, learners test different food items by timing how long it takes each liquid to slide from the top of a ramp to the bottom.