Colored Sand Motion


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Colored Sand Motion
DEN-414

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A mind-bending density illusion! Comprised of two hourglasses with different colored sands, the sand in one hourglass will float while the sand in the other sinks! Flip it over, and the reverse is true! Challenge your students to come up with the science behind this magic: density. Colors will vary. 13.2 cm (5.25") tall.

Colors in Motion

Flip the demo over, and the colors will start to switch places, without mixing! Magic, or density?

Density Flow Models - allow additional shipping time

Bring the Earth Sciences to life with the truly amazing and versatile Density Flow Model.

Density Identification Set

Students try to identify each of 15 different samples by determining their density.

Geological Flow Demo - Deep Sea Round

Rotate the disk and see new sand patterns forming for the next 30 minutes. Great for sedimentary rock formation discussions!