Choosing light bulbs for your home has changed so much in the last ten years. How do you decide what’s best? Here’s an experiment children can do comparing light bulbs. Which makes the most sense for the family? Congress passed a law in 2007 that phases out the US production of incandescent bulbs. The old-style tungsten-filament…
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Solar beads ultraviolet detection STEM activity
Solar beads are a fun way to learn about the importance of sun exposure. We should put on sunscreen every day and think about reapplying it. We can teach children a craft project with pony beads and experiment with the UV rays given off by light sources and test sunscreen products for effectiveness. This post contains…