C&EN: What are glow sticks, and what’s the chemical reaction that makes them light up? Breaking something rarely sparks joy—unless you’re activating a glow stick. Just bend the plastic baton until you hear a snap, and behold, you have a radiant wand to illuminate your way.

Understanding the Context

Whether ... What are glow sticks, and what’s the chemical reaction that makes them light up? Boom Cards are loved by students and teachers. They make learning fun and fast.

Key Insights

Teachers save time with self-grading and helpful reports. The meaning of BOOM is to make a deep hollow sound. How to use boom in a sentence. In television and movie making, a boom is a long, movable pole that has a microphone (= device that records sound) or camera on one end. A boom is a deep, loud, resonant sound that echoes or travels rapidly, like the sound of thunder.

Final Thoughts

To boom is to create such a sound, as in The thunder boomed overhead, which scared our poor dog. A loud boom heard and felt widely across parts of Ohio and Pennsylvania on Tuesday was likely the result of a meteor.