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.
The Component 2 Differentiation Portfolio of National Board Certification has many parts and can be overwhelming at first glance. My goal is to share strategies to help break down this component into manageable pieces so you can grow as an educator and score high.
Did you know there is a simple test you can do to see if an alkaline battery is fresh or dead? All you need to do is bounce the bottom of a battery onto a hard, flat surface. Guess what causes this difference in bouncing ability between fresh and dead batteries? Chemistry, of course!
The June, 2018 issue of the Journal of Chemical Education contains an article that describes a simple, yet fascinating experiment that you and your students are going to love! It involves the use of butterfly wings from the genus Morpho. I obtained some of these wings and enjoyed experimenting with them. You will too!
Read Dr. Nakita Noel’s career profile describing her background and her current position as a Postdoctoral Research Fellow at the Princeton Research Institute for the Science and Technology of Materials.
As many teachers are preparing for the possibility of teaching online next semester, we are revisiting posts from the ChemEd X archives like this one that might be of help. As a teacher, having the freedom to create or edit something within my instruction based on the needs of my students is incredibly important to me. So, when I found out the activities in Pivot Interactives are completely customizable, I was thrilled. (Originally published 12/14/18)
You are likely aware that diamonds are converted - albeit slowly - to graphite under normal conditions. Thus, diamonds don't last forever, in contrast to the popular advertising slogan. However, did you know that you can use chemistry to prove that diamonds are not forever? It's simpler than you think...
A new event called "The Mole"was unveiled at BCCE 2018. I told the story of how one of my students discovered how to make marshmallows spark in the microwave oven.
Is your school district providing OSHA required safety training to teachers and other staff that will be in the science labs in your building?
A variety of activities performed at a science camp that relate to the chemistry of the solar system are reported. These activities could prove useful in the chemistry curriculum or in planning for National Chemistry Week in 2018, the theme of which is Chemistry is Out of This World!