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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 game, learners experience how computers divide a big problem into many smaller ones and how they use binary "yes"/"no" questions.

In this outdoor activity, learners review the parts of the synapse and their functions by playing a game.

In this seismic simulation, learners play a "who-dunnit" game to explore earthquakes.

Professor John Endler traveled to Trinidad in the 1970s to study wild guppies. In this activity, learners take part in an online simulation of Endler's work.

In this activity, learners build mini-basketball courts and explore the laws of physics. Learners discover that everything you throw or shoot on earth travels in a parabola.

In this online activity, learners find out whether they are smart enough to survive as a plant.

Space Guess Quest is a fun game that encourages participants to identify the many types of objects in space, from human-made spacecraft to nebulas, galaxies, stars, and worlds.

In this activity, learners play an evolution card game to see how selective pressures can affect an organism's evolution.

In this activity, learners will code an algorithm to make it through a maze.

In this interactive game, learners compare their music-listening skills with that of a three-month-old baby.

In this activity, learners will explore the physics of liquids and gas by playing with both! Learners of any age use their own breath to move drops of water across a smooth wax paper surface.

In this design challenge, learners will use computational thinking to design their own board game.

This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

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 interactive game, learners listen to the songs of four different thrushes and then try to match each bird with its song.

In this activity, learners explore materials through paper chromatography.

In this activity, learners design and build a Zoom-a-rang using everyday materials. Experiment with different materials and Zoom-a-rang designs to see how they fly.

In this outdoor activity, learners play a game of Tag to discover how neurons attach themselves to each other to form a chain.

In this activity, learners find the answer to the question, "if you have a pile of 8 cards, and you remove half, then half again, how many times can you do this until you get to just one card?" This w