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In this activity, learners build a game that tests their steadiness. Learners construct the game board by setting up an electrical circuit and a wand.

Players take turns adding shapes made of three squares to a grid. They try to fit their shapes on the grid in a way that blocks the other player.

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

As learners play this strategy game, they develop understanding of squares, area, and perimeter. On each turn, a player draws a line between two dots next to each other on the grid.

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 math activity (Page 12 of the Play Ball! PDF), learners play a game of "soccer" and analyze the results of the game.

This activity introduces the idea that computer scientists measure information by how "surprising" a message is.

In this math game, learners try to earn the most points by winning stacks of four dice. Learners practice number recognition and addition skills.

In this online Flash game, learners will explore a coral reef using an underwater remotely operated vehicle (ROV).

In this math activity (Page 14 of the Play Ball! PDF), learners play a game of "basketball" and analyze the results of the game.

In this game, learners build up six stacks of cards in the middle of the table, face up, in order from 1 at the bottom to 20 on the top. The first player to get rid of all his cards is the winner.

In this game-like activity (5th activity on the page), learners explore their auditory acuity as well as the importance of having two ears.

How quick are your reflexes? In this online game, you are a hockey goalie defending quick slap shots. Learn about reaction time, muscle memory, and reflexes.

In this sorting activity, learners play a game in which they try to identify the largest number of differences between two objects.

In this online Flash game, learners will captain a sailing challenge, adjusting boat direction and sails, seeking the way to take greatest advantage of varying wind speeds and directions to catch the

En esta tira cómica, Cientina le enseña a Mateo un truco de lógica nuevo con seis tarjetas.

These three short activities challenge groups to fit objects through paper and index cards: "Slots" presents the challenge for one learner to figure out which objects fit through a hole cut by another

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 game (4th activity on the page) about hearing, learners test their ability to identify various sounds without looking.

In this invention challenge activity, learners create an indoor game for one or two people that gets you moving.