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In this activity, learners investigate the different salinity levels of oceans, rivers and estuaries.

Play-Doh is conductive! Use the semiconductive qualities of Play-Doh to make your own squeezable instrument. Pico Cricket is required.

Make a model city happier with LEDs, circuits, motors, and batteries! Groups can think, discuss, design, and build what would make a community happy. Kids can work as part of a team or on their own.

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