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In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.

In this activity, learners use sieves with different-sized holes to sort balls by size.

This activity gives caregivers and their children an opportunity to practice scientific ways of thinking that are developmentally appropriate for early learners.

In this activity, learners explore how the application of nano-sized "whiskers" can protect clothing from stains.

In this chemistry challenge, learners identify an unknown white powder by comparing it with common household powders.

In this activity, learners interact with a 3-D model of a watershed to better understand the interconnectedness of terrestrial and aquatic environments.

In this challenge, learners have to figure out in what order to combine five solutions to change the color from clear, to yellow, to blue, and back to clear.

This activity models some of the ways natural processes, such as erosion and sediment pollution, affect Earth’s landscape.

Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up).

In this math activity, learners use a variety of sensory modalities to gain experiences with identifying, describing and creating repeating patterns.