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Battleships: Searching Algorithms
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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.

Paper Bridges
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In this activity, learners build bridges using paper and explore how much weight each bridge design can support.

Straws and Pins
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In this activity, learners build bridges and cantilevers in a series of "building out" challenges with straws and pins.

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

Garden Poles
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In this activity, learners build large-scale structures and cantilevers in a series of "building out" challenges with garden poles and tape.

The Muddy City: Minimal Spanning Trees
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In this puzzle, learners investigate the decisions involved in linking a network between houses in a muddy city.

Newspaper Bridges
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In this activity, learners build bridges out of newspaper and tape to explore how structures are designed to bear loads.

Skewers and Garden Poles
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In this activity, learners build scaled-down structures and cantilevers in a series of "building out" challenges with bamboo skewers and tape.