Light and Optics. Physical Science. Human Eye. Bundle. Light and Optics and Human Eye Labs, Activities, and Games.Two of my favorite units, Light and Optics and The Human Eye, are now available in a bundle. Both units are inquiry based and include a wide range of labs, activities, projects and worksheets. Teaching this unit is definitely one of my highlights every year. Students love this unit and you will too. The package includes:Structure Writing Conclusions with Costa LevelsDefinition