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In this activity, learners investigate how inkjet printers produce tiny, precise drops of ink.

In this activity, learners help a poor cartographer color in the countries on a map, making sure each country is colored a different color than any of its neighbors.

In this activity, learners recreate a method of detecting and correcting errors in computers called 'parity'.

In this activity about computer programming, learners follow instructions in a variety of ways in order to successfully draw figures.

In this activity, one person acts as a human robot while another acts as their developer by programming their actions.