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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.

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

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 activity, learners explore how nanotechnology is being used to create new types of protective fabrics.

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