science experiment #electricity @APSVirginia @ScienceNews @APSscience @MsPerrysclass1 @CampbellAPS
science experiment #electricity @APSVirginia @ScienceNews @APSscience @MsPerrysclass1 @CampbellAPS https://t.co/L459CyW4gg
science experiment #electricity @APSVirginia @ScienceNews @APSscience @MsPerrysclass1 @CampbellAPS https://t.co/L459CyW4gg