Syenite rocks containing sodalite that fluoresce yellow have been found on Lake Superior beaches in recent years and are of interest to collectors. The fluorescence of this mineral, which can be found in other localities, can be shown in classrooms and studied spectroscopically. Its structure can also be modeled with LEGO bricks, enabling further classroom connections.
Discover the secrets behind flame-shaped highlighter markings that not only disappear and reappear but also glow and flicker under the influence of acids, bases, and UV lights.
With a little chemical investigation, you can figure out how Jet-Puffed's new color changing marshmallows work!
Chemistry and lasers can be used to create a demonstration that includes several colors and flashing lights. This demonstration connects to topics in quantum chemistry and phase changes.
Happy New Year! Did you know that 2015 is the International Year of Light (IYL)? IYL is a “global initiative adopted by the United Nations to raise awareness of how optical technologies promote sustainable development and provide solutions to worldwide challenges in energy, education, agriculture, communications and health1”. IYL is sponsored by several organizations with interests in science and science education, including the European Physical Society, the Institute of Physics, the American Physical Society, and the American Institute of Physics. You can find several lesson plans, videos and other educational resources on the IYL website2.
Halloween is a great time of year to do experiments with fluorescence. Check out the video in which we experiment with some fluorescent yarn.
