Your Guide to Science Fair Topics, Ideas, Experiments, and Winning Displays
Classification is a term used for organizing things, such as plants and animals, rocks and minerals, or the pony beads used in this activity. First prepare a mixture of beads for each group of 4 to 5 kids. The mixtures do not have to be exactly the same, but each group should include the following: [...]
Why Do Somethings Glow In the Dark? A phosphor is a chemical substance that when energized radiates (emits, gives off) visible light. NOTE: Phosphors may or may not contain the phosphorus element. Scientists have created thousands of different kinds of phosphors. Phosphors differ in: 1. The type of energy that is needed to energize them. [...]
What is a Black Light? What are Phosphors? “Black Light” seems to be an erroneous name because when a black light is turned on in a dark room, everything is bathed in a beautiful purple color. But what you do not see is the ultraviolet radiation that is being emitted. In black lights, the radiation [...]
ABOUT ME: Hi, I am Janice VanCleave, author of 50 best-selling science experiment books for children ages 4 through high school. I taught science for 27 years.
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