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This activity explores the main algorithms that are used as the basis for searching on computers, using different variations on the game of battleships.

In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

In this puzzle, learners investigate the decisions involved in linking a network between houses in a muddy city.

In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.

In this activity on page 10 of the PDF, learners develop an experiment to answer the following question: "How much water can the hydrogel in a baby diaper hold?" Use this activity to explore polymers,

In this activity on page 4 of the PDF, explore the unique molecular structure and conductive nature of graphene. Learners construct a circuit with a battery and LED bulb.