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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.

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 tabletop board game, players will represent a team of scientists and engineers sending a spacecraft on a mission to space.

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 activity, learners explore and compare the buoyant properties of materials found in nature and in human-made materials.

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

In this game, learners match descriptions of marine debris (shoes, batteries, paper towels, etc.) to images of these items.

This fun and simple hands-on astronomy activity illustrates the value of supernovae in the universe.

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 activity, learners play a card game that explores the relative sizes of various objects. Learners compete to organize their hand of cards into lists of objects from largest to smallest.

In this activity, learners play a card game that explores different size scales--macro, micro and nano.

In this activity, learners will use their five senses to explore a nature-based area around them.

In this game, learners try to find nano-related objects on a game board. Learners investigate the different ways nano is in the world around us.

This game introduces learners to the scale of the greenhouse gas problem, plus technologies that already exist to dramatically reduce our carbon emissions and prevent climate change.