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In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions.

Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.

In this activity, learners investigate the effect of heat on a reaction.

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

Learners observe two model atmospheres -- one with normal atmospheric composition and another with an elevated concentration of carbon dioxide.