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In this activity about light and refraction, learners make a lens and magnifying glass by filling a bowl with water.

This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.

In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.

In this activity related to microbes, learners use water drops and hand lenses to begin the exploration of magnification. This activity also introduces learners to the microscope.