middle school science

Flipped Classroom: A Framework for In-Class Activities

The flipped-classroom approach to education is undoubtedly popular, with consistent growth in the number of related books, conference sessions, and educator network memberships. Although active-learning may not be any more beneficial in a flipped classroom compared to a traditional classroom, it is clear that a flipped class can increase the frequency of active-learning opportunities.

Chemical Tests on Coins

Simple chemical tests are described that can indicate the presence of certain metals in coins. A wide variety of chemical concepts are involved. The experiments described are a natural fit for the 2019 National Chemistry Week theme of "Marvelous Metals!"

The Liquid Nitrogen Cloud

Have you ever seen the liquid nitrogen cloud? Do you wonder how the cloud forms when hot water is thrown onto liquid nitrogen? This post explores the liquid nitrogen cloud and possible explanations for its formation.