fluorescence

“100” Fireflies in a Jar

May 13, 2016 Susan P. Yates 1 Comment chemical reaction, fluorescence, glow stick

This activity was chosen to celebrate our 100th straight day of STEM Play. When deciding how to mark this special occasion,

Chemistry Experiment Physics

(Glowing) Ice, Ice Baby

May 2, 2016May 2, 2016 Susan P. Yates 0 Comments black light, density, fluorescence, freezing, ice, liquid, melting, quinine, solid, state changes, states of matter, tonic water, ultraviolet, visible spectrum

This was one of our first experiments we attempted in our STEM every day challenge. And it’s still a favourite of my kids. The kids love it because it’s just cool to watch a glowing ice cube melt! I love it because it is ridiculously easy to do yet it teaches so many different scientific things all at once. You get to observe 1) an ice cube floating, 2) freezing and melting, 3) cold water sinking, and 4) fluorescence (“glowing”) (Science Secrets Revealed). Oh and it’s completely safe!