Daily Archives: December 27, 2017

Metals Wordsearch - Solved
Wordsearch puzzles are a fun way to introduce glossary terms of a subject. This metals wordsearch contains 24 different metals. Each metal could be found vertically, horizontally, or diagonally. The puzzle is optimized to fit on a standard 8.5″x11″ sheet of paper. Download links: [Metals Wordsearch Image] [Metals Wordsearch PDF] […]

Metals Wordsearch Puzzle

Toothpaste isn't the only everyday source of fluoride. (Photo Mix)
If you’re looking to reduce your intake of fluorine and fluoride (one is the element, one is the ion), it may help you to know what everyday products contain them and what steps you can take to limit your exposure: Don’t drink unfiltered public water. Assume it’s fluoridated unless you know otherwise. […]

How to Reduce Fluoride Exposure

Broken Glass (Ivan Vranić)
Fact or fiction? You can shatter a glass using just your voice. This is a fact. If you generate a sound with your voice or an instrument that matches the resonant frequency of the glass, you produce constructive interference, increasing the vibration of the glass. When the vibration exceeds the […]

How to Break Glass With Your Voice