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In this activity, learners confront their perceptions of gravity in the solar system.

In this activity, learners use cardboard bases and track tubes to make a ball run to explore the properties of mass, force, and motion.

In this experiment related to plant biotechnology, learners discover how to prepare and load an electrophoresis gel.

Learners analyze mixtures of dyes using filter paper chromatography. They place spots of the different dyes at the bottom of a piece of filter paper, and hang the paper to touch the surface of water.