![]() As soon as the UV light source is removed fluorescent materials stop glowing. That means that fluorescent materials are visible in typical lighting situations but when you place them near an ultraviolet light source the invisible wavelengths become visible and glow. Fluorescent materials convert light of a dominant wavelength AND wavelengths that are much lower on the visible spectrum. Most glow in the dark materials fall into one of two categories: Either a material is fluorescent or phosphorescent.įluorescent materials glow in the presence of Ultraviolet (UV) Light. There are different ways materials glow in the dark. SFATEY ALERT! Make sure you tell the kids NOT to move around when the lights are off! This is hard but for safety reasons I usually warn them in advance not to walk around when the lights go off.Ĭontinue Reading The science behind glow in the dark projects.Turn the lights out while turning the surge protector with blacklight on! It helps to have two adults facilitating so one can turn off the room lights and the other turn the blacklight on.Do the project in the room with regular lighting.Ideally plug them into one surge protector with a switch. Set up a few blacklight spots lights around the space.In our camp, we use one of the small activity sheds to do glowing projects. ![]() If it isn’t consider whether there is an alternative location at your school/facility where you can create a dark space. I realize that this is not always possible depending on the number of windows in your classroom.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |