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In this activity, learners will be able to measure themselves in nanometers. A nanometer is a billionth of a meter, a unit of measurement used in nanotechnology.

In this number puzzle/trick, learner #1 thinks of a number between 1 and 63. Learner #2 shows learner #1 six cards and asks them whether the cards contain their number.

In this quick activity, learners drink Avogadro's number worth of molecules - 6.02x10^23 molecules!

This activity about cryptographic techniques illustrates a situation where information is shared, and yet none of it is revealed.

This is an online game about stopping distance. Learners choose one of three vehicles and one of three speeds.