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In this fun group activity involving music and movement, learners are introduced to the idea that many insects walk by using their legs to create "alternating triangles." Learners sing the "Ants Go Ma

Build your own version of a favorite carnival game, in which a marble races down a maze consisting of rows of nails.

Using paper, paper clips, an index card, and tape, teams of learners design flying devices to (1) stay in the air as long as possible and (2) land as close as possible to a given target.

In this activity about transfer of energy, learners get to build their own catapult using nothing more than a plastic spoon and some tape.

In this online game, learners must purchase power plants for their city.

This quiz lets you estimate your annual radiation exposure.

In this activity, learners follow clues to find five puzzle pieces, then assemble them. This activity works well with a whole group, individuals, or families.

In this outdoor game, learners play the roles of gray or red squirrels gathering and storing a supply of food in "fall" and recovering enough of them to survive the "winter." Learners carry bags repre

This activity puts a mathematical twist on the familiar “guessing jar.” No guesses allowed, estimates only.

In this activity, learners play a trick on their own brain to see if the brain can learn to ignore distracting input. Colors and words are used to play the visual trick, known as a Stroop Test.

Teams of learners use a series of stick figures made from pipe cleaners to model a dance routine. Then, they use this model to communicate to another learner who performs the dance routine.

In this activity, learners will put a set of containers in order by capacity. Would the tallest container hold more or less water than the wide, short one?

In this online game, learners run an outer space drink stand and thirsty alien customers are on the way.

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

In this outdoor activity and fun race, learners first find the most common type of tree in a forest site.

Birds' beaks are designed to allow birds to get the most of whatever food they need. In this activity, learners get an idea of how different beak shapes suit different food sources.

Learners make a counting/estimating jar to exchange with friends or bring home.

This is an online game about the complexities of farming. Learners will "draw" cards and make decisions about how to take care of their farm.

In this game, learners take turns guessing toy animals from around their house based on the toy's characteristics.

In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.