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This fun and simple hands-on astronomy activity illustrates the value of supernovae in the universe.

This activity was designed for blind learners, but all types of learners can play this game to learn about the major polyatomic ions (an ion that consists of two different elements).

In this chemistry activity, learners use common chemicals and metals to explore single replacement reactions.

In this activity, learners use pegboard and straws to build a three-dimensional model of the periodic table.