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In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.

In this activity, learners build models of atoms and molecules, then consider their role in different phases of matter, density, and mixtures and solutions.

In this activity, learners investigate the process of osmosis by adding salt to a sealed bag of raw carrots and comparing it to a control.

During this activity, learners will make different versions of "ooze" using varied proportions of detergent and glue.

In this activity, learners will explore how metals react with each other. They will see these metals change before their eyes as they coat a paperclip with the copper taken from a penny.