Crystals are molecules making regular formations.  This is usually dictated by the chemical properties of the molecule. Water, for example...

"This will be a basic science class," the teacher said acidly. At any rate, you can't talk about chemistry with out talkin...

  We've been discussing heat from the very beginning, so the kids knew that heat was energy, and that heat energy was expressed in the...

I think the 2 most essential things for kids to understand about phase changes is that atoms and molecules are attracted to ("stick to...

 After several times forgetting to take pictures during class, this time I gave Klenda the camera - thanks Klenda!  We started out talk...

 Our second class finished our study of Matter - next week we will move on to Forces. We started out with inertia.  Each child had a ma...

 After the enormous chemistry class for high school last semester, I am finally getting around to chemistry for the younger set.   In real...