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Gravi-Goo

A superabsorbent polymer that transforms into a slippery, slimey substance that seems to defy gravity
Learn about Newton’s Laws of Motion
The resulting liquid, defies gravity as it climbs up and out of a cup

In stock

SKU: WAGG-550

Frequently Purchased Together

Learn About Newton’s Laws of Motion

Just add water and watch as this liquid seems to pour itself up and out of the cup

Everyone knows water won’t flow uphill without a push. A small amount of Gravi-Goo powder mixed with water forms a thick, slippery, gooey, mucous-like gel. The gel crawls up the inside of one container and pours into another.

How does it work?

Specially formulated by Spangler Science, Gravi-Goo is a unique type of polymer. When added to water, it acts both like a sponge to grab water molecules and link them to the polymer molecules in long chains at the same time. Gravi-Goo is a combination of polyacrylamide and acrylic copolymers.

What does it teach?

Gravi-Goo is a great introduction to molecular weights and structures. Children will marvel at this fascinating goo and learn a lesson about polymers at the same time! Watch out though, even adults have been known to become addicted to the uphill flow of Gravi-Goo!

Although Extremely Elastic, the GraviGoo Remains Fluid Like a Pancake Syrup!

The spaghetti-like structure causes the polymer to quickly thicken the added water, while giving it a strong elastic effect. Once part of the Gravi-Goo molecule gets over the rim of the cup, it’s elasticity means it can stretch over the rim of the cup while pulling the rest of its length with it. It’s this elasticity and bonding that defy gravity.

For Teachers, Parents, Grandparents, and All-around Science Adults

We haven’t forgotten about the new STEM and STEAM initiatives you’ve been hearing about in our schools, bringing Science, Technology, Engineering, (Art), and Math together to make young scientists into real thinkers! Science experiments with this fascinating polymer will generate plenty of predictions, observations, and discussion.

How Many Times Can You Perform the Gravi-Goo Experiment?

The jar contains enough Gravi-Goo to perform this stringy, slimey, ooey, gooey experiment around 30 times! You can also add food coloring to the mixture to create all sorts of Gravi-Goo colors!

What’s Included?