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

This hands-on astronomy activity allows you to create a “cutaway” telescope to clearly show how reflector and refractor telescopes work.

In this activity, learners construct a model of DNA to better understand the structure of DNA and protein synthesis.

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 use molecular model kits to construct familiar molecules like lactose, caffeine, and Aspirin.