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

Learners investigate one factor affecting reaction rates: temperature. In a darkened room, two identical lightsticks are placed in water -- one in hot water and one in cold water.

Learners mix a solution of luminol with hydrogen peroxide to produce a reaction that gives off blue light.

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