Description

Investigate how light is used in technology products. Activity has deep content and unique materials so users can explore science concepts using STEM methodology. Designed for use by an individual student or small group of students, includes one model experiment and printed instruction sheets. Experiments include:Using Near-UV Light to Image a Commercial Invisible Ink(GUIDED - MODEL EXPERIMENT)Provides students with experience in understanding the physical properties of certain colored dyes, specifically how they fluoresce under ultra-violet lighting and can be used as invisible inks.Designing a Security Document Using a Self-Made Invisible Ink(GOING FURTHER ACTIVITY)Students design their own security document using a self-made invisible ink.