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In this activity, learners use sieves with different-sized holes to sort balls by size.

In this activity, learners explore how the application of nano-sized "whiskers" can protect clothing from stains.

In this activity, learners explore how nanotechnology is being used to create new types of protective fabrics.

In this demonstration, learners discover that nanoparticles behave differently, in part because they have a high surface area to volume ratio.