Curated OER
What's The Matter?
Fourth graders accurately describe various states of matter, Through experimentation, they change a variable to create a new state of matter. Students record their observations about the way matter is changed and the changes that occur...
Physics Classroom
The Physics Classroom: The Strucure of Matter
This interactive tutorial begins with an understanding of the structure of matter. Understanding charge as a fundamental quantity demands that we have an understanding of the structure of an atom. Learn the atomic structure of an atom an...